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cytosine and Acquired Immunodeficiency Syndrome

cytosine has been researched along with Acquired Immunodeficiency Syndrome in 37 studies

Acquired Immunodeficiency Syndrome: An acquired defect of cellular immunity associated with infection by the human immunodeficiency virus (HIV), a CD4-positive T-lymphocyte count under 200 cells/microliter or less than 14% of total lymphocytes, and increased susceptibility to opportunistic infections and malignant neoplasms. Clinical manifestations also include emaciation (wasting) and dementia. These elements reflect criteria for AIDS as defined by the CDC in 1993.

Research Excerpts

ExcerptRelevanceReference
"The safety and efficacy of cidofovir gel for treatment of acyclovir-unresponsive herpes simplex virus infections in AIDS patients was evaluated in a randomized, double-blind, multicenter trial."9.08A randomized, double-blind, placebo-controlled trial of cidofovir gel for the treatment of acyclovir-unresponsive mucocutaneous herpes simplex virus infection in patients with AIDS. ( Boggs, J; Cheung, T; Corey, L; Drew, WL; Feinberg, J; Gathe, J; Jaffe, HS; Kessler, H; Kramer, F; Lalezari, J; Lee, S; McGuire, B; Safrin, S; Schacker, T, 1997)
"Five AIDS patients with cytomegalovirus (CMV) retinitis who had received ganciclovir (GCV) therapy were followed with serial blood sampling to detectchanges both in CMV load and in the genetic composition of genes UL97 and UL54 whilst receiving cidofovir (CDV) therapy."7.70Quantitative changes in cytomegalovirus DNAemia and genetic analysis of the UL97 and UL54 genes in AIDS patients receiving cidofovir following ganciclovir therapy. ( Bowen, EF; Cherrington, JM; Emery, VC; Griffiths, PD; Johnson, MA; Lamy, PD, 1999)
"The safety and efficacy of cidofovir gel for treatment of acyclovir-unresponsive herpes simplex virus infections in AIDS patients was evaluated in a randomized, double-blind, multicenter trial."5.08A randomized, double-blind, placebo-controlled trial of cidofovir gel for the treatment of acyclovir-unresponsive mucocutaneous herpes simplex virus infection in patients with AIDS. ( Boggs, J; Cheung, T; Corey, L; Drew, WL; Feinberg, J; Gathe, J; Jaffe, HS; Kessler, H; Kramer, F; Lalezari, J; Lee, S; McGuire, B; Safrin, S; Schacker, T, 1997)
"Five AIDS patients with cytomegalovirus (CMV) retinitis who had received ganciclovir (GCV) therapy were followed with serial blood sampling to detectchanges both in CMV load and in the genetic composition of genes UL97 and UL54 whilst receiving cidofovir (CDV) therapy."3.70Quantitative changes in cytomegalovirus DNAemia and genetic analysis of the UL97 and UL54 genes in AIDS patients receiving cidofovir following ganciclovir therapy. ( Bowen, EF; Cherrington, JM; Emery, VC; Griffiths, PD; Johnson, MA; Lamy, PD, 1999)
"A patient with AIDS and cytomegalovirus (CMV) retinitis received ganciclovir and foscarnet for 20 and 5 months, respectively, with evidence of periodic disease progression."3.70A deletion mutation in region V of the cytomegalovirus DNA polymerase sequence confers multidrug resistance. ( Chou, S; Drew, WL; Miner, RC, 2000)
"To evaluate the decrease in intraocular pressure associated with cidofovir (1-[(S)-3-hydroxy-2-(phosphonomethoxy)propyl]cytosine dihydrate; HPMPC) intravitreal injections."3.69Intraocular pressure and aqueous humor dynamics in patients with AIDS treated with intravitreal cidofovir (HPMPC) for cytomegalovirus retinitis. ( Arevalo, JF; Banker, AS; Berry, C; De Clercq, E; Freeman, WR; Ishimoto, B; Munguia, D; Ochabski, R; Rahhal, FM; Taskintuna, I, 1997)
" Treatment was well tolerated with most common adverse events being mild to moderate affecting lesional skin: pain/burning/irritation (25 patients) and ulceration (13 patients)."2.78Safety and efficacy of topical cidofovir to treat high-grade perianal and vulvar intraepithelial neoplasia in HIV-positive men and women. ( Aboulafia, D; Berry, JM; Da Costa, M; Darragh, TM; Einstein, MH; Goldstone, SE; Jay, N; Lee, JY; Palefsky, JM; Panther, L; Stier, EA; Wilkin, T, 2013)
"Eligible patients with acquired immune deficiency syndrome had active CMV retinitis in at least one eye and no evidence of extraocular CMV disease."2.68Intravitreal cidofovir (HPMPC) treatment of cytomegalovirus retinitis in patients with acquired immune deficiency syndrome. ( Arevalo, JF; Chavez de la Paz, E; de Clercq, E; Freeman, WR; Kirsch, LS; Munguia, D, 1995)
"Patients with acquired immunodeficiency syndrome (AIDS) can develop severe uveitis."1.37Drug-induced uveitis in aids patients: two case reports. ( Bazewicz, M; Caspers, L; Fikri, J; Frippiat, F; Libois, A; Martin, CH; Meunier, A; Willermain, F, 2011)
"Late AIDS diagnosis was established during a neurological complication, 13 years after a neonatal transmission."1.31[Progressive multifocal leukoencephalopathy revealing AIDS in a 13-year-old girl]. ( Chabrol, B; Chambost, H; Hugonenq, C; Lethel, V; Mancini, J; Michel, G, 2002)
"Eleven AIDS patients receiving HAART with healed CMV retinitis in whom CMV-specific maintenance therapy was discontinued were studied."1.30Lack of reactivation of cytomegalovirus (CMV) retinitis after stopping CMV maintenance therapy in AIDS patients with sustained elevations in CD4 T cells in response to highly active antiretroviral therapy. ( Freeman, WR; Karavellas, MP; Macdonald, JC; Morse, LS; Reed, JB; Torriani, FJ, 1998)
" A pretreatment regimen consisting of prednisone, H1 and H2 blockers was administered before the dosing of probenecid in order for the patient to continue with the antiviral therapy."1.30Probenecid hypersensitivity in AIDS: a case report. ( Engler, RJ; Katial, RK; Myers, KW, 1998)
"Some advances in AIDS research have been limited by this lack of urgency in implementation, optimization, or equitable delivery to the broad patient community."1.29Advances, challenges and growing frustration. ( , 1995)

Research

Studies (37)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's17 (45.95)18.2507
2000's18 (48.65)29.6817
2010's2 (5.41)24.3611
2020's0 (0.00)2.80

Authors

AuthorsStudies
Bazewicz, M1
Fikri, J1
Martin, CH1
Libois, A1
Meunier, A1
Frippiat, F1
Caspers, L1
Willermain, F1
Stier, EA1
Goldstone, SE1
Einstein, MH1
Jay, N1
Berry, JM1
Wilkin, T1
Lee, JY1
Darragh, TM1
Da Costa, M1
Panther, L1
Aboulafia, D1
Palefsky, JM1
Kimberlin, DW1
Zambarakji, HJ1
Obi, AA1
Mitchell, SM1
Tacconelli, E1
Tumbarello, M2
Rabagliati, R1
Scoppettuolo, G2
Minnella, A1
Ventura, G1
Cauda, R3
Check, E1
Ramos, C1
Lajusticia, J1
Baldanti, F1
Lurain, N1
Gerna, G1
Wyen, C1
Hoffmann, C1
Schmeisser, N1
Wöhrmann, A1
Qurishi, N1
Rockstroh, J1
Esser, S1
Rieke, A1
Ross, B1
Lorenzen, T1
Schmitz, K1
Stenzel, W1
Salzberger, B1
Fätkenheuer, G1
Di Giambenedetto, S1
Vago, G1
Pompucci, A1
Cingolani, A2
Marzocchetti, A1
De Luca, A2
Kirsch, LS1
Arevalo, JF2
Chavez de la Paz, E1
Munguia, D2
de Clercq, E4
Freeman, WR4
Sadler, M1
Morris-Jones, S1
Nelson, M1
Gazzard, BG1
Banker, AS1
Rahhal, FM2
Ishimoto, B1
Berry, C1
Ochabski, R1
Taskintuna, I2
Lalezari, J1
Schacker, T1
Feinberg, J1
Gathe, J1
Lee, S1
Cheung, T1
Kramer, F1
Kessler, H1
Corey, L1
Drew, WL2
Boggs, J1
McGuire, B1
Jaffe, HS1
Safrin, S1
Capparelli, EV1
Cundy, KC1
Macdonald, JC1
Torriani, FJ1
Morse, LS1
Karavellas, MP1
Reed, JB1
Myers, KW1
Katial, RK1
Engler, RJ1
Vogel, JU1
Scholz, M1
Cinatl, J1
Lateef, F1
Don, PC1
Kaufmann, M1
White, SM1
Weinberg, JM1
Bowen, EF1
Cherrington, JM1
Lamy, PD1
Griffiths, PD1
Johnson, MA1
Emery, VC1
Chou, S1
Miner, RC1
Sparling, JD1
Norwood, CW1
Turiansky, GW1
Oster, CN1
Hocqueloux, L1
Agbalika, F1
Oksenhendler, E1
Molina, JM1
Torres, G1
Herrero-Romero, M1
Cordero, E1
López-Cortés, LF1
de Alarcón, A1
Pachón, J1
Cinque, P1
Pierotti, C1
Viganò, MG1
Bestetti, A1
Fausti, C1
Bertelli, D1
Lazzarin, A1
Giancola, ML1
Ammassari, A1
Grisetti, S1
Larussa, D1
Alba, L1
Murri, R1
Ippolito, G1
Monforte, A1
Antinori, A1
Gasnault, J1
Kousignian, P1
Kahraman, M1
Rahoiljaon, J1
Matheron, S1
Delfraissy, JF1
Taoufik, Y1
Snoeck, R1
Van Laethem, Y1
De Maubeuge, J1
Clumeck, N1
Razonable, RR1
Aksamit, AJ1
Wright, AJ1
Wilson, JW1
Hugonenq, C1
Lethel, V1
Chambost, H1
Michel, G1
Chabrol, B1
Mancini, J1
Warren, RP1
Morrey, JD1
Burger, RA1
Okleberry, KM1
Sidwell, RW1
Rooke, R1
Parniak, MA1
Tremblay, M1
Soudeyns, H1
Li, XG1
Gao, Q1
Yao, XJ1
Wainberg, MA1

Clinical Trials (2)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
Phase IIA Trial of 1% Topical Cidofovir for Treatment of High-Grade Perianal Squamous Intraepithelial Lesions in HIV-Infected Men and Women[NCT00550589]Phase 233 participants (Actual)Interventional2007-09-30Completed
A Phase I/II Study of the Safety and Efficacy of Topical 1-(S)-(3-Hydroxy-2-Phosphonylmethoxypropyl)Cytosine Dihydrate (Cidofovir; HPMPC) in the Treatment of Refractory Mucocutaneous Herpes Simplex Disease in Patients With AIDS[NCT00002116]Phase 130 participants InterventionalCompleted
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Trial Outcomes

Correlation of Clinical Regression of Perianal HSIL With Clearance of HPV DNA

Number of patients who cleared HPV among those who had a complete or partial response (NCT00550589)
Timeframe: 6 weeks after treatment discontinuation

Interventionparticipants (Number)
Cidofovir2

Human Papilloma Virus (HPV) DNA Type in Perianal HSIL and Normal Perianal Tissue

Number of patients with HPV16 at baseline in perianal HSIL and normal perianal tissue (NCT00550589)
Timeframe: Baseline

Interventionparticipants (Number)
Cidofovir16

Identification of HPV-DNA Types Present in the Anus

Number of patients with HPV16 type present in the anus from anal swab or cytobrush at baseline (NCT00550589)
Timeframe: Baseline

Interventionparticipants (Number)
Cidofovir14

Proportion of Patients With Regression of Perianal High-grade Squamous Intraepithelial Lesions (HSIL)

(NCT00550589)
Timeframe: 6 weeks after treatment discontinuation

Interventionproportion of participants (Number)
Cidofovir0.515

Safety and Tolerability of Topical Cidofovir as Assessed by NCI CTCAE v3.0

Number of study patients who had a serious adverse event (NCT00550589)
Timeframe: Every 2 weeks on study, 6 weeks after treatment discontinuation

Interventionparticipants (Number)
Cidofovir3

Reviews

3 reviews available for cytosine and Acquired Immunodeficiency Syndrome

ArticleYear
Clinical and biologic aspects of human cytomegalovirus resistance to antiviral drugs.
    Human immunology, 2004, Volume: 65, Issue:5

    Topics: Acquired Immunodeficiency Syndrome; Antiretroviral Therapy, Highly Active; Cidofovir; Cytomegaloviru

2004
Treatment of cytomegalovirus diseases.
    Intervirology, 1997, Volume: 40, Issue:5-6

    Topics: Acquired Immunodeficiency Syndrome; Antiviral Agents; Cidofovir; Cytomegalovirus Infections; Cytosin

1997
Chemotherapy of the acquired immune deficiency syndrome (AIDS): acyclic nucleoside phosphonate analogues.
    International journal of immunopharmacology, 1991, Volume: 13 Suppl 1

    Topics: Acquired Immunodeficiency Syndrome; Adenine; Antiviral Agents; Cidofovir; Cytosine; DNA, Viral; Huma

1991

Trials

6 trials available for cytosine and Acquired Immunodeficiency Syndrome

ArticleYear
Safety and efficacy of topical cidofovir to treat high-grade perianal and vulvar intraepithelial neoplasia in HIV-positive men and women.
    AIDS (London, England), 2013, Feb-20, Volume: 27, Issue:4

    Topics: Acquired Immunodeficiency Syndrome; Administration, Cutaneous; Adult; Aged; Antiviral Agents; Anus N

2013
Intravitreal cidofovir (HPMPC) treatment of cytomegalovirus retinitis in patients with acquired immune deficiency syndrome.
    Ophthalmology, 1995, Volume: 102, Issue:4

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Antiviral Agents;

1995
A randomized, double-blind, placebo-controlled trial of cidofovir gel for the treatment of acyclovir-unresponsive mucocutaneous herpes simplex virus infection in patients with AIDS.
    The Journal of infectious diseases, 1997, Volume: 176, Issue:4

    Topics: Acquired Immunodeficiency Syndrome; Acyclovir; Adult; Animals; Antiviral Agents; Cells, Cultured; Ch

1997
Cidofovir added to highly active antiretroviral therapy in AIDS-associated progressive multifocal leukoencephalopathy.
    AIDS (London, England), 2001, Apr-13, Volume: 15, Issue:6

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Anti-HIV Agents; C

2001
Potent anti-retroviral therapy with or without cidofovir for AIDS-associated progressive multifocal leukoencephalopathy: extended follow-up of an observational study.
    Journal of neurovirology, 2001, Volume: 7, Issue:4

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Antiretroviral The

2001
Cidofovir in AIDS-associated progressive multifocal leukoencephalopathy: a monocenter observational study with clinical and JC virus load monitoring.
    Journal of neurovirology, 2001, Volume: 7, Issue:4

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Antiretroviral The

2001

Other Studies

28 other studies available for cytosine and Acquired Immunodeficiency Syndrome

ArticleYear
Drug-induced uveitis in aids patients: two case reports.
    Bulletin de la Societe belge d'ophtalmologie, 2011, Issue:318

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Anti-HIV Agents; C

2011
Antiviral therapy for cytomegalovirus infections in pediatric patients.
    Seminars in pediatric infectious diseases, 2002, Volume: 13, Issue:1

    Topics: Acquired Immunodeficiency Syndrome; Administration, Oral; Adolescent; Adult; AIDS-Related Opportunis

2002
Successful treatment of varicella zoster virus retinitis with aggressive intravitreal and systemic antiviral therapy.
    Ocular immunology and inflammation, 2002, Volume: 10, Issue:1

    Topics: Acquired Immunodeficiency Syndrome; Adult; Antiviral Agents; Cidofovir; Cytosine; Drug Therapy, Comb

2002
Correlation between cidofovir-associated uveitis and failing immunorestoration during HAART.
    European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2003, Volume: 22, Issue:2

    Topics: Acquired Immunodeficiency Syndrome; Adult; Analysis of Variance; Antiretroviral Therapy, Highly Acti

2003
Boom, or bust?
    Nature, 2003, Dec-11, Volume: 426, Issue:6967

    Topics: Acquired Immunodeficiency Syndrome; Administration, Oral; Animals; Bacterial Vaccines; Biomedical Re

2003
[Infection due to acyclovir-resistant varicella-zoster herpes virus in a patient with AIDS].
    Enfermedades infecciosas y microbiologia clinica, 2004, Volume: 22, Issue:4

    Topics: Acquired Immunodeficiency Syndrome; Acyclovir; Adult; Antiviral Agents; Cidofovir; Cytosine; Drug Re

2004
Progressive multifocal leukencephalopathy in patients on highly active antiretroviral therapy: survival and risk factors of death.
    Journal of acquired immune deficiency syndromes (1999), 2004, Oct-01, Volume: 37, Issue:2

    Topics: Acquired Immunodeficiency Syndrome; Adult; Anti-HIV Agents; Antiretroviral Therapy, Highly Active; C

2004
Fatal inflammatory AIDS-associated PML with high CD4 counts on HAART: a new clinical entity?
    Neurology, 2004, Dec-28, Volume: 63, Issue:12

    Topics: Acquired Immunodeficiency Syndrome; Adult; Antiretroviral Therapy, Highly Active; Antiviral Agents;

2004
Successful treatment of cytomegalovirus encephalitis in an AIDS patient using cidofovir.
    AIDS (London, England), 1997, Volume: 11, Issue:10

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Antiviral Agents;

1997
Intraocular pressure and aqueous humor dynamics in patients with AIDS treated with intravitreal cidofovir (HPMPC) for cytomegalovirus retinitis.
    American journal of ophthalmology, 1997, Volume: 124, Issue:2

    Topics: Acquired Immunodeficiency Syndrome; Adult; Anterior Chamber; Antiviral Agents; Aqueous Humor; Cidofo

1997
Intravitreal and plasma cidofovir concentrations after intravitreal and intravenous administration in AIDS patients with cytomegalovirus retinitis.
    Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics, 1998, Volume: 14, Issue:2

    Topics: Acquired Immunodeficiency Syndrome; Adult; Antiviral Agents; Cidofovir; Cohort Studies; Cytomegalovi

1998
Lack of reactivation of cytomegalovirus (CMV) retinitis after stopping CMV maintenance therapy in AIDS patients with sustained elevations in CD4 T cells in response to highly active antiretroviral therapy.
    The Journal of infectious diseases, 1998, Volume: 177, Issue:5

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Anti-HIV Agents; A

1998
Probenecid hypersensitivity in AIDS: a case report.
    Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 1998, Volume: 80, Issue:5

    Topics: Acquired Immunodeficiency Syndrome; Cidofovir; Cytosine; Drug Hypersensitivity; Herpes Simplex; Huma

1998
Treatment of acyclovir-resistant, foscarnet-unresponsive HSV infection with topical cidofovir in a child with AIDS.
    Archives of dermatology, 1998, Volume: 134, Issue:9

    Topics: Acquired Immunodeficiency Syndrome; Acyclovir; Anti-HIV Agents; Child, Preschool; Cidofovir; Cytosin

1998
Quantitative changes in cytomegalovirus DNAemia and genetic analysis of the UL97 and UL54 genes in AIDS patients receiving cidofovir following ganciclovir therapy.
    Journal of medical virology, 1999, Volume: 58, Issue:4

    Topics: Acquired Immunodeficiency Syndrome; Antiviral Agents; Cidofovir; Cytomegalovirus; Cytomegalovirus In

1999
A deletion mutation in region V of the cytomegalovirus DNA polymerase sequence confers multidrug resistance.
    The Journal of infectious diseases, 2000, Volume: 182, Issue:6

    Topics: Acquired Immunodeficiency Syndrome; Antiviral Agents; Cidofovir; Cytomegalovirus; Cytomegalovirus Re

2000
Diagnostic and therapeutic dilemmas of a large scrotal lesion in an AIDS patient.
    The AIDS reader, 2001, Volume: 11, Issue:1

    Topics: Acquired Immunodeficiency Syndrome; Antiviral Agents; Biopsy; Cidofovir; Cytosine; Diagnosis, Differ

2001
Long-term remission of an AIDS-related primary effusion lymphoma with antiviral therapy.
    AIDS (London, England), 2001, Jan-26, Volume: 15, Issue:2

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Antineoplastic Age

2001
Black-bordered warning box for cidofovir.
    AIDS patient care and STDs, 1997, Volume: 11, Issue:2

    Topics: Acquired Immunodeficiency Syndrome; Antiviral Agents; Cidofovir; Cytosine; Drug Labeling; Humans; In

1997
Second National Retrovirus conference: a further report.
    GMHC treatment issues : the Gay Men's Health Crisis newsletter of experimental AIDS therapies, 1995, Volume: 9, Issue:3

    Topics: Acetamides; Acetophenones; Acquired Immunodeficiency Syndrome; Adult; Antiviral Agents; Cause of Dea

1995
Advances, challenges and growing frustration.
    PI perspective, 1995, Issue:no 16

    Topics: Acquired Immunodeficiency Syndrome; Antiviral Agents; Cachexia; Cidofovir; Cytomegalovirus Infection

1995
Acyclovir-resistant herpes: expanded access available for cidofovir gel (Forvade).
    AIDS treatment news, 1997, Feb-07, Issue:No 264

    Topics: Acquired Immunodeficiency Syndrome; Acyclovir; Antiviral Agents; Cidofovir; Cytosine; Drug Approval;

1997
The good and evil of HAART in HIV-related progressive multifocal leukoencephalopathy.
    Journal of neurovirology, 2001, Volume: 7, Issue:4

    Topics: Acquired Immunodeficiency Syndrome; Adult; AIDS-Related Opportunistic Infections; Anti-HIV Agents; A

2001
Treatment of a bowenoid papulosis of the penis with local applications of cidofovir in a patient with acquired immunodeficiency syndrome.
    Archives of internal medicine, 2001, Oct-22, Volume: 161, Issue:19

    Topics: Acquired Immunodeficiency Syndrome; Administration, Topical; Adult; Antiviral Agents; Bowen's Diseas

2001
Cidofovir treatment of progressive multifocal leukoencephalopathy in a patient receiving highly active antiretroviral therapy.
    Mayo Clinic proceedings, 2001, Volume: 76, Issue:11

    Topics: Acquired Immunodeficiency Syndrome; AIDS-Related Opportunistic Infections; Antiretroviral Therapy, H

2001
[Progressive multifocal leukoencephalopathy revealing AIDS in a 13-year-old girl].
    Archives de pediatrie : organe officiel de la Societe francaise de pediatrie, 2002, Volume: 9, Issue:1

    Topics: Acquired Immunodeficiency Syndrome; Adolescent; Age Factors; Anti-HIV Agents; Antiretroviral Therapy

2002
Murine retroviral disease-enhancing effects of a pyrimidinone immunomodulator.
    Antiviral research, 1992, Volume: 19, Issue:3

    Topics: Acquired Immunodeficiency Syndrome; Adjuvants, Immunologic; Administration, Oral; Animals; Antineopl

1992
Biological comparison of wild-type and zidovudine-resistant isolates of human immunodeficiency virus type 1 from the same subjects: susceptibility and resistance to other drugs.
    Antimicrobial agents and chemotherapy, 1991, Volume: 35, Issue:5

    Topics: Acquired Immunodeficiency Syndrome; Antiviral Agents; Cytosine; Drug Resistance, Microbial; HIV-1; H

1991