Page last updated: 2024-08-26

hydrogen sulfite and Sensitivity and Specificity

hydrogen sulfite has been researched along with Sensitivity and Specificity in 37 studies

Research

Studies (37)

Timeframe	Studies, this research(%)	All Research%
pre-1990	0 (0.00)	18.7374
1990's	3 (8.11)	18.2507
2000's	17 (45.95)	29.6817
2010's	15 (40.54)	24.3611
2020's	2 (5.41)	2.80

Authors

Authors	Studies
Liang, D; Lin, SY; Ma, J; Wang, Y; Xie, H	1
Banwait, R; Boer, S; Cuzick, J; Lorincz, A; Nedjai, B; Preece, M; Reuter, C	1
Andersen, CL; Bramsen, JB; Hansen, TB; Jensen, SØ; Worm Ørntoft, MB	1
Cai, C; Chen, B; Huang, Q; Li, J; Mo, M; Yang, Q; Ye, X; Zhang, J; Zhang, L	1
Bai, J; Bolund, L; Chen, H; Fu, D; Gao, C; Gao, S; Hu, X; Li, B; Li, S; Mao, L; Pedersen, CNS; Wang, J; Wang, M; Wu, S; Xiong, K; Xu, F; Yang, H; Zhao, S; Zhao, X	1
Chung, TH; Jia, XY; Sun, X; Tan, D	1
Duan, YL; Zheng, YS	1
Ahuja, N; Baylin, S; Brock, MV; Herman, J; Keeley, B; Kwak, R; Pisanic, TR; Stark, A; Wang, TH; Wrangle, J; Zhang, Y	1
Koo, KM; Rauf, S; Shiddiky, MJ; Trau, M; Wee, EJ	1
Duan, YW; En, D; Guo, Y; Li, CW; Li, J; Peng, MJ; Suzenet, F; Yang, XF; Yin, B	1
Cai, W; Chen, B; Liu, Q; Mao, F; Sun, ZS; Wang, Z; Wu, H; Wu, J; Xie, Q; You, M	1
Aryee, MJ; Hansen, KD; Meissner, A; Ziller, MJ	1
Hao, Y; Liu, Y; Sun, B; Tian, H; Wang, H; Wang, J; Yang, S	1
Boland, CR; Cullings, HM; Goel, A; Koi, M; Matsubara, N; Nagasaka, T; Naomoto, Y; Nishida, N; Sasamoto, H; Sun, DS; Tanaka, N; Uchida, T	1
Adlerstein, D; Amicarelli, G; Bonanno, C; Makrigiorgos, GM; Shehi, E; Zerilli, F	1
Hansen, LL; Kristensen, LS; Møller, TH; Thestrup, BB; Wojdacz, TK	1
Bai, Y; Li, Y; Lu, Z; Tu, J; Wang, W; Xiao, P; Yang, Y; Zhang, D	1
Acevedo, LG; Jelinek, MA; Sanz, A	1
Ohashi, H	1
Berlin, K; Cottrell, SE; Distler, J; Goodman, NS; Kluth, A; Mooney, SH; Olek, A; Schwope, I; Tetzner, R; Ziebarth, H	1
Doshi, K; Estécio, MR; Issa, JP; Kondo, Y; Tajara, EH; Yang, AS	1
Cornelius, M; Kliem, HC; Schmeiser, HH; Wiessler, M; Wörth, CG	1
Abe, T; Akino, K; Endo, T; Hinoda, Y; Imai, K; Ito, H; Miyakawa, H; Murai, M; Nojima, M; Suga, T; Suzuki, H; Tokino, T; Toyota, M; Ueno, M; Yawata, A	1
Alberts, DS; Buckmeier, J; Einspahr, JG; Hamilton, SR; Hernandez, NS; Houlihan, PS; Issa, JP; Kondo, Y; Krouse, RS; Prasad, AR; Rosner, GL; Shen, L; Vilaythong, J; Xiao, L	1
Hayasaka, K; Horiuchi, H; Ino, Y; Kijima, K; Matoba, R; Osawa, M; Sasaki, A	1
Fang, J; He, Y; Qiu, G	1
Cross, NC; Durston, VJ; Harvey, JF; White, HE	1
Bock, C; Büttner, R; Ehrentraut, D; El-Maarri, O; Felsberg, J; Hübner, A; Kahl, P; Mikeska, T; Pietsch, T; Schramm, J; Waha, A	1
Bartos, M; Krivánková, L; Nováková, M; Urbanová, V; Vytras, K	1
Chan, MW; Chang, CC; Chu, TY; Huang, RL; Huang, TH; Lai, HC; Lin, YW; Liu, J; Sun, CA; Wang, HC; Yan, P; Yu, MH	1
Hata, S; Ishikawa, I; Kojima, T; Umeda, M; Yasui, S; Zhang, YJ	1
Lee, YC; Quesenberry, MS	1
Ding, M; Feng, L	1
Hinoda, Y; Imai, K; Itoh, F; Kakiuchi, H; Kikuchi, T; Suzuki, H; Toyota, M	1
Nagane, Y; Tohgi, H; Utsugisawa, K	1
Alaejos, I; Balanzategui, A; Chillón, MC; García-Sanz, R; González, D; González, M; López-Pérez, R; Mateos, MV; San Miguel, JF	1
Deng, D; Deng, G; Lu, Y; Powell, SM; Smith, MF; Xin, H; Zhou, J	1

Reviews

2 review(s) available for hydrogen sulfite and Sensitivity and Specificity

Article	Year
Limitations and advantages of MS-HRM and bisulfite sequencing for single locus methylation studies. Expert review of molecular diagnostics, 2010, Volume: 10, Issue:5 Topics: DNA; DNA Methylation; Humans; Nucleic Acid Denaturation; Polymerase Chain Reaction; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites	2010
Novel DNA binding domain-based assays for detection of methylated and nonmethylated DNA. Epigenomics, 2011, Volume: 3, Issue:1 Topics: 5-Methylcytosine; Biomarkers; CpG Islands; Cytosine; DNA (Cytosine-5-)-Methyltransferases; DNA Methylation; DNA Primers; Humans; Immunoprecipitation; Polymerase Chain Reaction; Protein Interaction Domains and Motifs; Sensitivity and Specificity; Sulfites	2011

Other Studies

35 other study(ies) available for hydrogen sulfite and Sensitivity and Specificity

Article	Year
A stability indicating LC-MS/MS method for quantification of a NOX Inhibitor R14 in its bisulfite adduct form for pharmacokinetic studies. Journal of pharmaceutical and biomedical analysis, 2023, May-10, Volume: 228 Topics: Animals; Chromatography, Liquid; Mice; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry	2023
Consistency of the S5 DNA methylation classifier in formalin-fixed biopsies versus corresponding exfoliated cells for the detection of pre-cancerous cervical lesions. Cancer medicine, 2021, Volume: 10, Issue:8 Topics: Adolescent; Adult; Aged; Alphapapillomavirus; Area Under Curve; Biopsy; Colposcopy; DNA Methylation; Female; Formaldehyde; Humans; Microfilament Proteins; Middle Aged; Precancerous Conditions; Sensitivity and Specificity; Sulfites; Tissue Fixation; Uterine Cervical Dysplasia; Uterine Cervical Neoplasms; Young Adult	2021
Comparative analysis of 12 different kits for bisulfite conversion of circulating cell-free DNA. Epigenetics, 2017, Volume: 12, Issue:8 Topics: Cell-Free Nucleic Acids; DNA Methylation; Humans; Reproducibility of Results; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites	2017
Screening of exon methylation biomarkers for colorectal cancer via LC-MS/MS strategy. Journal of mass spectrometry : JMS, 2017, Volume: 52, Issue:12 Topics: Adult; Aged; Biomarkers, Tumor; Carrier Proteins; Chromatography, High Pressure Liquid; Colorectal Neoplasms; Core Binding Factor Alpha 3 Subunit; DNA Methylation; Exons; Female; Humans; LIM Domain Proteins; Male; Middle Aged; Polymerase Chain Reaction; Sensitivity and Specificity; Sulfites; Tandem Mass Spectrometry; Young Adult	2017
BS-virus-finder: virus integration calling using bisulfite sequencing data. GigaScience, 2018, 01-01, Volume: 7, Issue:1 Topics: Base Pairing; Base Sequence; Cell Line, Tumor; DNA Methylation; DNA, Viral; Epigenesis, Genetic; Genome, Human; Hepatitis B virus; Hepatocytes; High-Throughput Nucleotide Sequencing; Humans; Sensitivity and Specificity; Software; Sulfites; Virus Integration; Whole Genome Sequencing	2018
Mirror Bisulfite Sequencing: A Method for Single-Base Resolution of Hydroxymethylcytosine. Analytical chemistry, 2018, 11-20, Volume: 90, Issue:22 Topics: 5-Methylcytosine; Base Sequence; DNA; DNA-Cytosine Methylases; Gene Library; Glucosyltransferases; Humans; Reproducibility of Results; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites	2018
A new sensitive and selective fluorescence probe for detection of cyanide. Talanta, 2013, Mar-30, Volume: 107 Topics: Anions; Bicarbonates; Cyanides; Fluorescent Dyes; Halogenation; Nitriles; Sensitivity and Specificity; Spectrometry, Fluorescence; Sulfites	2013
Extraction and processing of circulating DNA from large sample volumes using methylation on beads for the detection of rare epigenetic events. Clinica chimica acta; international journal of clinical chemistry, 2013, Oct-21, Volume: 425 Topics: Actins; Aged; Biomarkers, Tumor; Carcinoma, Non-Small-Cell Lung; DNA; DNA Methylation; Epigenesis, Genetic; Female; Gene Expression; HeLa Cells; Humans; Lung Neoplasms; Male; Microspheres; Middle Aged; Polymerase Chain Reaction; Sensitivity and Specificity; Sulfites; Tumor Suppressor Proteins	2013
Microdevices for detecting locus-specific DNA methylation at CpG resolution. Biosensors & bioelectronics, 2014, Jun-15, Volume: 56 Topics: Base Sequence; Biosensing Techniques; Breast Neoplasms; Cell Line, Tumor; CpG Islands; DNA; DNA Methylation; Electrochemical Techniques; Equipment Design; Female; High-Throughput Nucleotide Sequencing; Humans; Ligase Chain Reaction; Molecular Sequence Data; Reproducibility of Results; Sensitivity and Specificity; Sulfites	2014
A hybrid coumarin-thiazole fluorescent sensor for selective detection of bisulfite anions in vivo and in real samples. Chemistry, an Asian journal, 2014, Volume: 9, Issue:7 Topics: Anions; Biosensing Techniques; Color; Coumarins; Female; Fluorescent Dyes; Humans; MCF-7 Cells; Molecular Structure; Sensitivity and Specificity; Sulfites; Thiazoles	2014
A Bayesian framework to identify methylcytosines from high-throughput bisulfite sequencing data. PLoS computational biology, 2014, Volume: 10, Issue:9 Topics: 5-Methylcytosine; Algorithms; Bayes Theorem; High-Throughput Nucleotide Sequencing; Humans; Models, Genetic; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites	2014
Coverage recommendations for methylation analysis by whole-genome bisulfite sequencing. Nature methods, 2015, Volume: 12, Issue:3 Topics: Brain; CD4-Positive T-Lymphocytes; CD8-Positive T-Lymphocytes; CpG Islands; Data Interpretation, Statistical; Databases, Genetic; DNA Methylation; Embryonic Stem Cells; Genome, Human; High-Throughput Nucleotide Sequencing; Humans; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites	2015
Rapidly Responsive and Highly Selective Fluorescent Probe for Bisulfite Detection in Food. Journal of agricultural and food chemistry, 2017, Apr-05, Volume: 65, Issue:13 Topics: Fluorescence; Fluorescent Dyes; Food Contamination; Mass Spectrometry; Molecular Structure; Sensitivity and Specificity; Spectrometry, Fluorescence; Sulfites	2017
Analysis of fecal DNA methylation to detect gastrointestinal neoplasia. Journal of the National Cancer Institute, 2009, Sep-16, Volume: 101, Issue:18 Topics: Biomarkers, Tumor; Colorectal Neoplasms; Confidence Intervals; Disease Progression; DNA Methylation; Early Detection of Cancer; Endoscopy, Gastrointestinal; Feces; Gastrointestinal Neoplasms; Humans; Mass Screening; Membrane Proteins; Polymerase Chain Reaction; Promoter Regions, Genetic; ROC Curve; Sensitivity and Specificity; Stomach Neoplasms; Sulfites; Tumor Suppressor Proteins	2009
Methylation-specific loop-mediated isothermal amplification for detecting hypermethylated DNA in simplex and multiplex formats. Clinical chemistry, 2010, Volume: 56, Issue:8 Topics: Adenocarcinoma; Apoptosis Regulatory Proteins; Base Sequence; Calcium-Calmodulin-Dependent Protein Kinases; CpG Islands; Cyclin-Dependent Kinase Inhibitor p16; Death-Associated Protein Kinases; DNA Methylation; DNA Primers; Fluorometry; GATA5 Transcription Factor; Genome, Human; Humans; Indicators and Reagents; Lung Neoplasms; Mass Spectrometry; Molecular Sequence Data; Nephelometry and Turbidimetry; Nucleic Acid Amplification Techniques; Plasmids; Promoter Regions, Genetic; Sensitivity and Specificity; Sulfites	2010
Identification of methylated regions with peak search based on Poisson model from massively parallel methylated DNA immunoprecipitation-sequencing data. Electrophoresis, 2010, Volume: 31, Issue:21 Topics: Cell Line, Tumor; CpG Islands; DNA Methylation; Genomics; Humans; Immunoprecipitation; Leukemia; Poisson Distribution; Reproducibility of Results; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites	2010
Methylation-specific PCR. Methods in molecular biology (Clifton, N.J.), 2002, Volume: 192 Topics: Base Sequence; Cytosine; DNA; DNA Methylation; DNA Primers; Indicators and Reagents; Polymerase Chain Reaction; Sensitivity and Specificity; Sulfites	2002
A real-time PCR assay for DNA-methylation using methylation-specific blockers. Nucleic acids research, 2004, Jan-13, Volume: 32, Issue:1 Topics: Adenocarcinoma; Base Sequence; Calcitonin; Colonic Neoplasms; DNA; DNA Methylation; DNA Primers; Glutathione S-Transferase pi; Glutathione Transferase; Humans; Isoenzymes; Molecular Sequence Data; Oligonucleotides; Polymerase Chain Reaction; Sensitivity and Specificity; Sulfites; Time Factors	2004
A simple method for estimating global DNA methylation using bisulfite PCR of repetitive DNA elements. Nucleic acids research, 2004, Feb-18, Volume: 32, Issue:3 Topics: Alu Elements; Azacitidine; Cell Line, Tumor; CpG Islands; Decitabine; DNA; DNA Methylation; Humans; Long Interspersed Nucleotide Elements; Mutation; Polymerase Chain Reaction; Repetitive Sequences, Nucleic Acid; Reproducibility of Results; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites	2004
Detection and separation of nucleoside-5'-monophosphates of DNA by conjugation with the fluorescent dye BODIPY and capillary electrophoresis with laser-induced fluorescence detection. Electrophoresis, 2005, Volume: 26, Issue:13 Topics: Boron Compounds; Deoxyadenine Nucleotides; Deoxycytidine Monophosphate; Deoxyguanine Nucleotides; Deoxyribonucleotides; DNA; Electrophoresis, Capillary; Ethylenediamines; Fluorescent Dyes; Lasers; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence; Sulfites; Thymidine Monophosphate	2005
Upregulation of BNIP3 by 5-aza-2'-deoxycytidine sensitizes pancreatic cancer cells to hypoxia-mediated cell death. Journal of gastroenterology, 2005, Volume: 40, Issue:5 Topics: Base Sequence; Blotting, Western; Cell Death; Cell Line, Tumor; Deoxycytidine; Flow Cytometry; Gene Expression Regulation; Humans; Hypoxia; Membrane Proteins; Methylation; Molecular Sequence Data; Pancreatic Neoplasms; Proto-Oncogene Proteins; Reverse Transcriptase Polymerase Chain Reaction; Sensitivity and Specificity; Sulfites; Up-Regulation	2005
MGMT promoter methylation and field defect in sporadic colorectal cancer. Journal of the National Cancer Institute, 2005, Sep-21, Volume: 97, Issue:18 Topics: Biomarkers, Tumor; Cell Line, Tumor; Colorectal Neoplasms; DNA Methylation; Epigenesis, Genetic; Gene Silencing; Humans; Intestinal Mucosa; Mutation; O(6)-Methylguanine-DNA Methyltransferase; Polymerase Chain Reaction; Promoter Regions, Genetic; Proto-Oncogene Proteins; Proto-Oncogene Proteins p21(ras); ras Proteins; Risk Factors; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites; Tumor Suppressor Protein p53	2005
Sensitive detection of polyalanine expansions in PHOX2B by polymerase chain reaction using bisulfite-converted DNA. The Journal of molecular diagnostics : JMD, 2005, Volume: 7, Issue:5 Topics: Adult; Base Sequence; Case-Control Studies; DNA; Homeodomain Proteins; Humans; Middle Aged; Molecular Sequence Data; Peptides; Polymerase Chain Reaction; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites; Transcription Factors; Trinucleotide Repeat Expansion	2005
5' CpG island methylation analysis identifies the MAGE-A1 and MAGE-A3 genes as potential markers of HCC. Clinical biochemistry, 2006, Volume: 39, Issue:3 Topics: Adult; Aged; Antigens, Neoplasm; Biomarkers, Tumor; Carcinoma, Hepatocellular; Case-Control Studies; CpG Islands; DNA Methylation; Female; Formaldehyde; Genome, Human; Humans; Male; Melanoma-Specific Antigens; Middle Aged; Neoplasm Proteins; Paraffin Embedding; Polymerase Chain Reaction; Sensitivity and Specificity; Sulfites; Tissue Fixation; Tumor Cells, Cultured	2006
Quantitative analysis of SNRPN(correction of SRNPN) gene methylation by pyrosequencing as a diagnostic test for Prader-Willi syndrome and Angelman syndrome. Clinical chemistry, 2006, Volume: 52, Issue:6 Topics: Angelman Syndrome; Autoantigens; Chromosomes, Human, Pair 15; Cost-Benefit Analysis; CpG Islands; DNA Methylation; Female; Genomic Imprinting; Humans; Indicators and Reagents; Male; Polymerase Chain Reaction; Prader-Willi Syndrome; Reproducibility of Results; Ribonucleoproteins, Small Nuclear; Sensitivity and Specificity; Sequence Analysis, DNA; snRNP Core Proteins; Sulfites	2006
Optimization of quantitative MGMT promoter methylation analysis using pyrosequencing and combined bisulfite restriction analysis. The Journal of molecular diagnostics : JMD, 2007, Volume: 9, Issue:3 Topics: Algorithms; Biomarkers, Tumor; Cluster Analysis; DNA Methylation; DNA Modification Methylases; DNA Repair Enzymes; Drug Resistance, Neoplasm; Formaldehyde; Frozen Sections; Glioblastoma; Humans; Paraffin Embedding; Polymerase Chain Reaction; Promoter Regions, Genetic; Reproducibility of Results; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites; Tissue Preservation; Tumor Suppressor Proteins	2007
Isotachophoretic determination of hydrosulfite and metabisulfite in technical samples. Talanta, 2007, Nov-30, Volume: 74, Issue:2 Topics: Chemical Industry; Electrophoresis; Formaldehyde; Oxidation-Reduction; Reproducibility of Results; Sensitivity and Specificity; Sulfites	2007
Identification of novel DNA methylation markers in cervical cancer. International journal of cancer, 2008, Jul-01, Volume: 123, Issue:1 Topics: Adult; Aged; Biomarkers, Tumor; Carcinoma, Squamous Cell; Case-Control Studies; Cell Line, Tumor; CpG Islands; DNA Methylation; DNA Probes, HPV; Female; Gene Expression Regulation, Neoplastic; Humans; Middle Aged; Neoplasm Invasiveness; Paired Box Transcription Factors; Protein Array Analysis; Research Design; Retrospective Studies; Reverse Transcriptase Polymerase Chain Reaction; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites; Uterine Cervical Dysplasia; Uterine Cervical Neoplasms	2008
Rapid identification of Porphyromonas gingivalis by bisulfite-modified DNA probe method. Journal of periodontal research, 1993, Volume: 28, Issue:2 Topics: Bacterial Typing Techniques; Dental Plaque; DNA Probes; Humans; Immunoblotting; Periodontitis; Porphyromonas gingivalis; Sensitivity and Specificity; Sulfites	1993
A rapid formaldehyde assay using purpald reagent: application under periodation conditions. Analytical biochemistry, 1996, Feb-01, Volume: 234, Issue:1 Topics: Chromatography, Gel; Ethanol; Formaldehyde; Hexosamines; Indicators and Reagents; Naphthalenesulfonates; Periodic Acid; Sensitivity and Specificity; Sialic Acids; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds; Sulfites; Wine	1996
Determination of organic anions in waste liquid of sodium hydrosulfite production by ion chromatography. Journal of chromatography. A, 1999, Apr-16, Volume: 839, Issue:1-2 Topics: Anions; Chromatography; Dithionite; Environmental Pollution; Formates; Industrial Waste; Methylamines; Oxidation-Reduction; Phthalic Acids; Quality Control; Sensitivity and Specificity; Sulfites; Sulfuric Acid Esters	1999
Quantitative DNA methylation analysis by fluorescent polymerase chain reaction single-strand conformation polymorphism using an automated DNA sequencer. Electrophoresis, 2000, Volume: 21, Issue:5 Topics: Adaptor Proteins, Signal Transducing; Autoanalysis; Cadherins; Carrier Proteins; Cells, Cultured; Cyclin-Dependent Kinase Inhibitor p16; DNA; DNA Methylation; Genes, Tumor Suppressor; Humans; Linear Models; MutL Protein Homolog 1; Neoplasm Proteins; Nuclear Proteins; Polymerase Chain Reaction; Polymorphism, Single-Stranded Conformational; Sensitivity and Specificity; Sequence Analysis, DNA; Sulfites; Tumor Cells, Cultured	2000
PCR amplification in bisulfite methylcytosine mapping in the GC-rich promoter region of amyloid precursor protein gene in autopsy human brain. Brain research. Brain research protocols, 2000, Volume: 5, Issue:2 Topics: Aged; Aged, 80 and over; Aging; Amyloid beta-Protein Precursor; Base Sequence; Cadaver; Cerebral Cortex; Cytosine; DNA Methylation; Genome; Humans; Male; Molecular Sequence Data; Polymerase Chain Reaction; Promoter Regions, Genetic; Sensitivity and Specificity; Sulfites; Temperature; Tissue Distribution	2000
Status of methylation of p16 gene in multiple myeloma: a comparative study of three methods for its detection. Clinical biochemistry, 2000, Volume: 33, Issue:5 Topics: Blotting, Southern; Bone Marrow; CpG Islands; DNA Methylation; DNA Restriction Enzymes; Exons; False Positive Reactions; Genes, p16; Genes, Tumor Suppressor; Humans; Multiple Myeloma; Polymerase Chain Reaction; Sensitivity and Specificity; Sulfites	2000
Simultaneous detection of CpG methylation and single nucleotide polymorphism by denaturing high performance liquid chromatography. Nucleic acids research, 2002, Feb-01, Volume: 30, Issue:3 Topics: Adaptor Proteins, Signal Transducing; Alleles; Carrier Proteins; Cell Line; Chromatography, High Pressure Liquid; CpG Islands; Cyclooxygenase 2; Deoxyribonucleases, Type II Site-Specific; DNA Methylation; DNA Mutational Analysis; DNA Primers; Gastric Mucosa; Genetic Testing; Humans; Isoenzymes; Membrane Proteins; MutL Protein Homolog 1; Neoplasm Proteins; Nuclear Proteins; Nucleic Acid Denaturation; Polymerase Chain Reaction; Polymorphism, Single Nucleotide; Prostaglandin-Endoperoxide Synthases; Sensitivity and Specificity; Stomach Neoplasms; Sulfites; Tumor Cells, Cultured	2002