thallium chloride has been researched along with Coronary Disease in 51 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 26 (50.98) | 18.7374 |
1990's | 19 (37.25) | 18.2507 |
2000's | 6 (11.76) | 29.6817 |
2010's | 0 (0.00) | 24.3611 |
2020's | 0 (0.00) | 2.80 |
Authors | Studies |
---|---|
Lazica, D; Leschke, M; Plehn, G; Schannwell, CM; Strauer, BE | 1 |
Anagnostopoulos, C; Bomanji, J; Costa, DC; Davies, G; Dhawan, RT; Eastick, S; Ell, PJ; Jarritt, PH; Kapur, A; Latus, KA; Pennell, DJ; Prvulovich, EM; Roussakis, G; Underwood, SR; Young, MC | 1 |
Behrens, S; Koch, H; Kosch, O; Lange, C; Morguet, AJ; Munz, DL; Schultheiss, HP; Selbig, D; Zabel, M | 1 |
Ebina, T; Inoue, T; Kawano, T; Matumoto, K; Mochida, Y; Oka, T; Suzuki, A; Takahashi, N; Uchino, K; Umemura, S; Yamakawa, Y | 1 |
Jackson, GL; Moffitt, GR; Reeves, WC | 1 |
Bonte, FJ; Buja, LM; Lewis, SE; Parkey, RW; Willerson, JT | 1 |
Hayashida, K; Kozuka, T; Nishimura, T; Omine, H; Uehara, T | 1 |
Gerson, MC | 1 |
Mostbeck, A | 1 |
Erofeev, MV; Kramer, AA; Nikolaeva, LF | 1 |
Abramowitz, R; Berger, BC; Brest, AN; Chung, EK; Desai, AG; Madsen, MT; Park, CH | 1 |
Beloev, I; Ivanov, Zh; Sheĭretova, E; Trindev, P; Videnov, N | 1 |
Gasilin, VS; Kramer, AA; Liakishev, AA; Mazaev, VP; Sidorenko, BA | 1 |
Hasegawa, B; Johnson, T; Kirch, D; Peck, S; Sklar, J; Steele, P | 1 |
Kato, M; Katsuragawa, S; Kawamura, A; Matsushita, K; Nakai, K; Takahashi, T; Yanagisawa, T; Yoshinaga, S | 1 |
Bove, AA; Denenberg, BS; Idell, S; Lavine, SJ; Makler, PT | 1 |
Condorelli, M; del Vecchio, E; Genovese, A; Muto, P; Salvatore, M | 1 |
Loutfi, I; Singh, A | 1 |
Amidon, TM; Chou, TM | 1 |
Hamada, S; Hayashida, K; Hirose, Y; Ishida, Y; Nishimura, T; Takamiya, M; Uehara, T | 1 |
Garcia, A; Herranz, R; Magriña, J; Minoves, M; Pavia, J; Setoain, J | 1 |
Castellanos, M; Finkelhor, RS; Miron, SD; Ramer, CL; Teague, SM | 1 |
Hilleman, DE; Holmberg, MJ; Lucas, BD; Mohiuddin, SM | 1 |
Lin, C; Shih, WJ | 1 |
Anagnostopoulos, C; Henein, MY; Underwood, SR | 1 |
Amendo, MT; Ghazi, J; Kossow, LB | 1 |
Hamada, S; Hayashida, K; Hirose, Y; Nishimura, T; Shimonagata, T; Uehara, T | 1 |
Hayashida, K; Haze, K; Katafuchi, T; Kumita, S; Nishimura, T; Nonoki, H; Oka, H; Shimonagata, T; Uehara, T | 1 |
Howard, PA | 1 |
Laskin, SA; Martynov, IV; Nechaev, DD; Petukhova, GS; Voronin, VA | 1 |
Akagi, N; Doi, Y; Hamashige, N; Maeda, T; Odawara, H; Ozawa, T; Takata, J; Yamada, M; Yonezawa, Y; Yoshida, S | 1 |
Berman, DS; Chouraqui, P; Galie, E; Henkin, R; Karesh, SM; Maddahi, J | 1 |
Kurihara, T; Murano, K; Narita, M; Usami, M | 1 |
Antalóczy, Z; Balogh, I; Berentey, E; Kékes, E; Préda, I; Szilvási, I | 1 |
Ban, R; Hayashi, M; Hayashida, K; Hirano, T; Katafuchi, T; Matsuo, T; Nishimura, T; Oka, H; Uehara, T; Yokota, I | 1 |
Hayashi, M; Hayashida, K; Katafuchi, T; Kumita, S; Nishimura, T; Uehara, T; Yamagami, H | 1 |
Berná, L; Carrió, I; Estorch, M; Martínez-Duncker, C; Martínez-Duncker, D; Serra-Grima, R; Trilla, E | 1 |
Chernov, VI; Lishmanov, IuB; Mazurin, IIu; Triss, SV | 1 |
Laskin, SA | 2 |
Hutton, I; Martin, W; McGhie, I; Tweddel, AC | 1 |
Augé, JM; Carrió, I; Crexells, C; Masotti, M; Oriol, A; Peraza, C; Sanz, S; Trilla, E | 1 |
Morishita, K; Sasaki, Y; Yabe, K; Yamazaki, J | 1 |
Grenz, R; Hör, G; Klepzig, H; Kober, G; Maul, FD; Standke, R | 1 |
Fischer, R; Hoffmann, G; Krause, T; Schümichen, C; Strauss, E | 1 |
Gillis, F; Holman, BL; McKusick, K; Mitta, A; Perez-Balino, N; Rigo, P; Sia, ST; Sporn, V; Szabo, Z; Vosberg, H | 1 |
Honda, M; Kanao, K; Kurihara, T; Murano, K; Narita, M; Tomonobu, M; Usami, M | 1 |
Akagi, N; Doi, Y; Hamashige, N; Maeda, T; Odawara, H; Ozawa, T; Yonezawa, Y; Yoshida, S | 1 |
Borovicová, F; Grozajová, M; Hupka, J; Hupka, S; Jelok, I; Pípa, V; Riecanský, I; Zelenay, J | 1 |
Abdel-Dayem, HM; Bahar, RH; Hassan, IM; Mohammed, MM; Simo, M; Ziada, G | 1 |
Boucher, CA; Okada, RD; Pohost, GM | 1 |
7 review(s) available for thallium chloride and Coronary Disease
Article | Year |
---|---|
[Myocardial scintigraphy during exercise--its practice and clinical significance].
Topics: Angina Pectoris; Coronary Artery Bypass; Coronary Disease; Exercise Test; Heart; Humans; Myocardial Infarction; Radionuclide Imaging; Thallium | 1983 |
Nuclear cardiology in the investigation of chronic coronary artery disease. Which test and when?
Topics: Angina Pectoris; Chronic Disease; Coronary Disease; Exercise Test; Female; Heart Ventricles; Humans; Male; Myocardial Infarction; Radionuclide Imaging; Stroke Volume; Thallium | 1983 |
Evaluating coronary artery disease noninvasively--which test for whom?
Topics: Adenosine; Coronary Disease; Dipyridamole; Dobutamine; Echocardiography; Electrocardiography; Exercise Test; Humans; Organotechnetium Compounds; Oximes; Radionuclide Ventriculography; Sensitivity and Specificity; Technetium Tc 99m Sestamibi; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed | 1994 |
Non-invasive investigations.
Topics: Adrenergic beta-Agonists; Chest Pain; Coronary Disease; Dobutamine; Echocardiography, Stress; Exercise Test; Heart; Humans; Myocardial Revascularization; Prognosis; Radioisotopes; Risk Assessment; Thallium; Tomography, Emission-Computed, Single-Photon | 2001 |
Intravenous dipyridamole: use in thallous chloride TL 201 stress imaging.
Topics: Coronary Disease; Dipyridamole; Exercise Test; Heart; Heart Function Tests; Humans; Infusions, Intravenous; Radionuclide Imaging; Sensitivity and Specificity; Thallium; Thallium Radioisotopes | 1991 |
[Methodologic characteristics of scintigraphy of the myocardium using 201Tl chloride].
Topics: Coronary Disease; Heart; Humans; Methods; Radionuclide Imaging; Thallium; Thallium Radioisotopes | 1989 |
[Diagnostic possibilities of scintigraphy of the myocardium using 201Tl chloride].
Topics: Coronary Disease; Heart; Heart Diseases; Humans; Radionuclide Imaging; Thallium; Thallium Radioisotopes | 1989 |
2 trial(s) available for thallium chloride and Coronary Disease
Article | Year |
---|---|
A comparison of three radionuclide myocardial perfusion tracers in clinical practice: the ROBUST study.
Topics: Adenosine; Artifacts; Coronary Disease; Cross-Sectional Studies; Dobutamine; Exercise Test; Heart; Heart Diseases; Humans; Myocardium; Organophosphorus Compounds; Organotechnetium Compounds; Quality Control; Radiography; Radionuclide Imaging; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Technetium Tc 99m Sestamibi; Thallium; United Kingdom | 2002 |
Myocardial viability evaluation using magnetocardiography in patients with coronary artery disease.
Topics: Adult; Aged; Cicatrix; Coronary Angiography; Coronary Disease; Diagnosis, Differential; Discriminant Analysis; Electrocardiography; Female; Fluorodeoxyglucose F18; Humans; Magnetics; Male; Middle Aged; Myocardium; Risk Factors; Signal Processing, Computer-Assisted; Thallium; Tissue Survival; Tomography, Emission-Computed | 2004 |
42 other study(ies) available for thallium chloride and Coronary Disease
Article | Year |
---|---|
[The current status of noninvasive cardiac diagnosis in women with suspected coronary heart disease].
Topics: Aged; Coronary Disease; Diastole; Echocardiography, Stress; Electrocardiography; Female; Hemodynamics; Humans; Male; Middle Aged; Predictive Value of Tests; Sex Factors; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed, Single-Photon; Ventricular Dysfunction, Left; Ventricular Function, Left | 2002 |
Diagnostic use of T2-weighted inversion-recovery magnetic resonance imaging in acute coronary syndromes compared with 99mTc-Pyrophosphate, 123I-BMIPP and 201TlCl single photon emission computed tomography.
Topics: Acute Disease; Aged; Coronary Disease; Fatty Acids; Female; Humans; Iodine Radioisotopes; Iodobenzenes; Magnetic Resonance Imaging; Male; Middle Aged; ROC Curve; Syndrome; Technetium Tc 99m Pyrophosphate; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed, Single-Photon | 2004 |
Diagnostic techniques in cardiovascular nuclear medicine.
Topics: Coronary Disease; Diphosphates; Heart; Humans; Methods; Radionuclide Imaging; Technetium; Technetium Tc 99m Pyrophosphate; Thallium | 1980 |
Recent advances in nuclear cardiology. 1. "Hot-spot" and "cold-spot" myocardial scintigraphy.
Topics: Coronary Disease; Diphosphates; Heart; Humans; Myocardial Infarction; Myocardial Revascularization; Perfusion; Potassium Radioisotopes; Radionuclide Imaging; Technetium; Technetium Tc 99m Pyrophosphate; Thallium | 1981 |
[Computer program for myocardial thallium scintigraphy with reference to spatial distribution and temporal wash-out kinetics with automatic delivery of results].
Topics: Computers; Coronary Disease; Half-Life; Heart; Humans; Kinetics; Myocardium; Radioisotopes; Radionuclide Imaging; Software; Thallium | 1983 |
[Radionuclide evaluation of myocardial perfusion in intensive physical training in patients with a history of myocardial infarct].
Topics: Adult; Coronary Disease; Exercise Test; Exercise Therapy; Heart; Humans; Male; Middle Aged; Myocardial Infarction; Radioisotopes; Radionuclide Imaging; Thallium; Time Factors | 1984 |
Abnormal thallium-201 scans in patients with chest pain and angiographically normal coronary arteries.
Topics: Coronary Disease; False Positive Reactions; Humans; Pain; Physical Exertion; Radionuclide Imaging; Thallium; Thorax | 1983 |
[201T1 study of regional myocardial perfusion using a gamma counter and the EC1020 computer].
Topics: Adult; Aged; Coronary Circulation; Coronary Disease; Heart; Humans; Middle Aged; Myocardial Infarction; Radioisotopes; Scintillation Counting; Thallium; Tomography, Emission-Computed | 1981 |
[Role of the vasospastic factor in stenocardia in ischemic heart disease].
Topics: Adult; Coronary Angiography; Coronary Disease; Coronary Vasospasm; Echocardiography; Ergonovine; Exercise Test; Heart; Humans; Male; Middle Aged; Radioisotopes; Radionuclide Imaging; Thallium | 1982 |
Slow late myocardial clearance of thallium: a characteristic phenomenon in coronary artery disease.
Topics: Coronary Disease; Humans; Myocardium; Physical Exertion; Radioisotopes; Radionuclide Imaging; Thallium; Time Factors | 1982 |
[Evaluation of the severity of ischemic heart disease from the space-time activity of Tl-201 after exercise testing].
Topics: Adult; Aged; Coronary Disease; Exercise Test; Humans; Male; Middle Aged; Radioisotopes; Radionuclide Imaging; Thallium | 1982 |
Redistribution on the thallium scan in myocardial sarcoidosis: concise communication.
Topics: Adult; Cardiomyopathies; Coronary Disease; Female; Heart; Humans; Physical Exertion; Radioisotopes; Radionuclide Imaging; Sarcoidosis; Thallium | 1981 |
[Myocardial scintigraphy with 201T1 chloride in infarct coronary pathology: personal experience].
Topics: Coronary Disease; Heart; Humans; Myocardial Infarction; Radioisotopes; Radionuclide Imaging; Thallium | 1980 |
Comparison of single-tracer (technetium-99m-sestamibi) and dual-tracer (thallium-201 chloride and technetium-99m-sestamibi) protocols for identification of myocardial ischemia.
Topics: Coronary Circulation; Coronary Disease; Dipyridamole; Exercise Test; Female; Humans; Image Enhancement; Male; Middle Aged; Myocardial Ischemia; Rest; Retrospective Studies; Stress, Physiological; Technetium Tc 99m Sestamibi; Thallium; Thallium Radioisotopes; Tissue Survival; Tomography, Emission-Computed, Single-Photon | 1995 |
[Detectability of diagonal branch disease with other branch lesions by 201TlCl exercised myocardial scintigraphy].
Topics: Coronary Disease; Exercise Test; Female; Heart; Humans; Male; Middle Aged; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed, Single-Photon | 1993 |
Evaluation of myocardial perfusion defects by means of "bull's eye" images.
Topics: Adult; Aged; Contrast Media; Coronary Circulation; Coronary Disease; Exercise Test; Humans; Middle Aged; Nitriles; Organotechnetium Compounds; Sensitivity and Specificity; Technetium Tc 99m Sestamibi; Thallium; Tomography, Emission-Computed, Single-Photon | 1993 |
Relation of exercise Doppler left ventricular filling to thallium lung uptake.
Topics: Aged; Chi-Square Distribution; Coronary Disease; Echocardiography; Echocardiography, Doppler; Exercise Test; Female; Humans; Logistic Models; Lung; Male; Middle Aged; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed, Single-Photon; Ventricular Function, Left | 1993 |
Cost-minimization analysis of intravenous adenosine and dipyridamole in thallous chloride TI 201 SPECT myocardial perfusion imaging.
Topics: Adenosine; Aged; Coronary Disease; Dipyridamole; Direct Service Costs; Drug Costs; Exercise Test; Female; Heart; Hemodynamics; Humans; Infusions, Intravenous; Male; Middle Aged; Retrospective Studies; Thallium; Tomography, Emission-Computed, Single-Photon; Vasodilator Agents | 1997 |
Septal reverse redistribution on TI-201 chloride myocardial SPECT in left internal mammary artery bypass graft.
Topics: Coronary Disease; Diagnosis, Differential; Exercise Test; Heart; Humans; Internal Mammary-Coronary Artery Anastomosis; Middle Aged; Postoperative Complications; Radiopharmaceuticals; Technetium Tc 99m Sestamibi; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed, Single-Photon; Ventricular Function, Left | 1998 |
Unilateral pulmonary edema demonstrated with Tl-201 imaging.
Topics: Coronary Disease; Exercise Test; Humans; Male; Middle Aged; Pulmonary Edema; Radiopharmaceuticals; Thallium; Tomography, Emission-Computed, Single-Photon | 2002 |
[Detectability of diagonal branch disease by 201TlCl exercised myocardial scintigraphy].
Topics: Aged; Coronary Disease; Coronary Vessels; Exercise Test; Female; Heart; Humans; Male; Middle Aged; Predictive Value of Tests; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed, Single-Photon | 1992 |
[Diagnostic accuracy of coronary artery lesion by 99mTc-MIBI exercise myocardial scintigraphy--containing the utility of simultaneous assessment of left ventricular function].
Topics: Aged; Coronary Disease; Exercise Test; Female; Heart; Humans; Male; Middle Aged; Organotechnetium Compounds; Technetium Tc 99m Sestamibi; Thallium; Tomography, Emission-Computed, Single-Photon; Ventricular Function, Left; Ventriculography, First-Pass | 1992 |
[The potentials for using Tl201 chloride in the differential diagnosis of coronarogenic and noncoronarogenic myocardial lesions in women in the climacteric].
Topics: Aged; Cardiomyopathies; Climacteric; Coronary Disease; Diagnosis, Differential; Exercise Test; Female; Heart; Humans; Middle Aged; Radionuclide Imaging; Thallium; Thallium Radioisotopes | 1991 |
[Significance of diffuse slow washout in dipyridamole loading thallium-201 myocardial perfusion scintigraphy].
Topics: Aged; Angioplasty, Balloon, Coronary; Coronary Angiography; Coronary Artery Bypass; Coronary Disease; Dipyridamole; Female; Follow-Up Studies; Heart; Humans; Male; Middle Aged; Prognosis; Radionuclide Imaging; Thallium | 1991 |
Comparison of myocardial imaging with iodine-123-iodophenyl-9-methyl pentadecanoic acid and thallium-201-chloride for assessment of patients with exercise-induced myocardial ischemia.
Topics: Aged; Coronary Disease; Exercise Test; Fatty Acids; Female; Heart; Humans; Iodobenzenes; Male; Middle Aged; Radionuclide Imaging; Thallium; Thallium Radioisotopes | 1991 |
[Myocardial perfusion abnormality and chest pain in patients with hypertrophic cardiomyopathy].
Topics: Cardiomyopathy, Hypertrophic; Chest Pain; Coronary Disease; Exercise Test; Female; Heart; Humans; Male; Middle Aged; Myocardium; Necrosis; Thallium; Tomography, Emission-Computed, Single-Photon | 1991 |
Comparative evaluation of the effect of balloon dilatation by exercise precordial mapping and exercise 201-thallium scintigraphy.
Topics: Adult; Angina Pectoris; Angioplasty, Balloon, Coronary; Coronary Angiography; Coronary Disease; Coronary Vessels; Electrocardiography; Exercise Test; Follow-Up Studies; Heart Ventricles; Hemodynamics; Humans; Male; Microcomputers; Middle Aged; Myocardial Infarction; Radionuclide Imaging; Recurrence; Signal Processing, Computer-Assisted; Thallium; Thallium Radioisotopes | 1990 |
[Unfolded map of coronary artery territories by myocardial SPECT].
Topics: Coronary Disease; Coronary Vessels; Humans; Image Processing, Computer-Assisted; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed, Single-Photon | 1990 |
[Clinical evaluation of coronary territory map by using unfolded map of Tl-201 myocardial SPECT].
Topics: Coronary Disease; Coronary Vessels; Humans; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed, Single-Photon | 1990 |
[Circumferential profiles versus visual analysis in studies of myocardial perfusion during exertion using thallium-201].
Topics: Coronary Angiography; Coronary Circulation; Coronary Disease; Exercise Test; Female; Humans; Image Interpretation, Computer-Assisted; Male; Middle Aged; Radionuclide Imaging; Thallium; Thallium Radioisotopes | 1990 |
[Thallium-201 myocardial scintigraphy].
Topics: Adult; Coronary Disease; Diagnosis, Differential; Heart; Humans; Middle Aged; Myocardial Infarction; Radionuclide Imaging; Thallium; Thallium Radioisotopes | 1990 |
Improved detection of coronary artery disease by estimated myocardial thallium uptake.
Topics: Adult; Coronary Disease; Exercise Test; Heart; Humans; Male; Middle Aged; Myocardium; Radionuclide Imaging; Thallium; Thallium Radioisotopes | 1989 |
[Evaluation of the exercise test with thallium for the clinical follow-up of patients undergoing percutaneous transluminal coronary angioplasty].
Topics: Angina Pectoris; Angioplasty, Balloon; Coronary Disease; Electrocardiography; Exercise Test; Follow-Up Studies; Humans; Radioisotopes; Radionuclide Imaging; Recurrence; Thallium | 1985 |
[Pre- and post-PTCA Tl myocardial scintigraphy].
Topics: Angioplasty, Balloon; Coronary Disease; Heart; Humans; Male; Middle Aged; Radioisotopes; Radionuclide Imaging; Thallium | 1986 |
[Results of combined myocardial scintigraphy and radionuclide ventriculography before and after transluminal coronary angioplasty of critical coronary artery stenoses].
Topics: Adult; Aged; Angioplasty, Balloon; Coronary Disease; Coronary Vessels; Exercise Test; Female; Follow-Up Studies; Heart Ventricles; Humans; Male; Middle Aged; Myocardial Contraction; Radionuclide Imaging; Technetium; Technetium Tc 99m Pyrophosphate; Thallium; Tin Polyphosphates | 1986 |
[Simultaneous 201Tl/99mTC seven-pinhole tomography in acute myocardial infarct].
Topics: Adult; Aged; Coronary Disease; Diphosphates; Female; Humans; Male; Middle Aged; Models, Anatomic; Myocardial Infarction; Technetium; Technetium Tc 99m Pyrophosphate; Thallium; Tomography, Emission-Computed | 1986 |
The utilization of Tc-99m-TBI as a myocardial perfusion agent in exercise studies: comparison with Tl-201 thallous chloride and examination of its biodistribution in humans.
Topics: Adult; Aged; Coronary Disease; Exercise Test; Female; Heart; Humans; Male; Middle Aged; Nitriles; Organometallic Compounds; Organotechnetium Compounds; Radioisotopes; Radionuclide Imaging; Technetium; Thallium; Tissue Distribution | 1986 |
[Factors affecting myocardial thallium-201 washout rate after exercise stress and their significance for the detection of coronary artery disease].
Topics: Adult; Aged; Coronary Disease; Exercise Test; Female; Heart; Heart Rate; Humans; Male; Middle Aged; Physical Exertion; Thallium; Thallium Radioisotopes; Tomography, Emission-Computed | 1988 |
[Dipyridamole-loading myocardial scintigraphy for the evaluation of patients after aortocoronary bypass surgery].
Topics: Adult; Aged; Coronary Artery Bypass; Coronary Circulation; Coronary Disease; Dipyridamole; Exercise Test; Female; Heart; Humans; Male; Middle Aged; Postoperative Period; Radionuclide Imaging; Thallium | 1986 |
[Gammagraphy of the myocardium using 201Tl-chloride in the diagnosis of ischemic heart disease].
Topics: Adult; Coronary Disease; Exercise Test; Female; Heart; Humans; Male; Middle Aged; Radionuclide Imaging; Thallium | 1986 |
Clinical experience with stress and delayed thallium-201 quantitative segmental washout curves (QSWC).
Topics: Adult; Aged; Angina Pectoris; Coronary Angiography; Coronary Circulation; Coronary Disease; Electrocardiography; Exercise Test; Heart Ventricles; Humans; Male; Middle Aged; Myocardial Infarction; Radioisotopes; Radionuclide Imaging; Thallium | 1985 |
Quantitative split dose thallium-201 imaging with exercise: a technique for obtaining rest and exercise perfusion images in one setting and markedly reducing the study time.
Topics: Adult; Constriction, Pathologic; Coronary Disease; Exercise Test; Female; Hemodynamics; Humans; Male; Middle Aged; Myocardial Contraction; Radiation Dosage; Radiography; Radioisotopes; Radionuclide Imaging; Rest; Subtraction Technique; Thallium; Time Factors | 1985 |