title: Helicobacter pylori infection in patients with early gastric cancer by the endoscopic phenol red test.
authors.forename: W J
authors.initials: WJ
authors.lastname: Coyle
authors.forename: J M
authors.initials: JM
authors.lastname: Lawson
mesh_terms: D000230:Adenocarcinoma / Q000453:epidemiology / Q000473:pathology*; D000236:Adenoma / Q000175:diagnosis / Q000453:epidemiology / Q000473:pathology*; D003937:Diagnosis, Differential; D005773:Gastroscopy / Q000379:methods*; D016481:Helicobacter Infections / Q000453:epidemiology / Q000473:pathology*; D016480:Helicobacter pylori / Q000302:isolation & purification*; D006801:Humans; D015994:Incidence; D010637:Phenolsulfonphthalein; D012307:Risk Factors; D012680:Sensitivity and Specificity; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000473:pathology*
chemical_list: D010637:Phenolsulfonphthalein