Benzidine test for blood (Levin-Watt).
D001560:Benzidines; D004067:Digestive System Neoplasms; D005260:Female; D041981:Gastrointestinal Tract; D006801:Humans; D009369:Neoplasms; D014551:Urinary Tract; D014571:Urologic Neoplasms; D014594:Uterine Neoplasms
D001560:Benzidines; C029876:benzidine
BENZIDINE; GASTROINTESTINAL SYSTEM/neoplasms; URINARY TRACT/neoplasms; UTERUS/neoplasms