title: Primary neoplasms of the alimentary canal in whites and Bantu of the Transvaal, 1949-1953. A histopathological series.
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000453:epidemiology; D000328:Adult; D001741:Black or African American; D000368:Aged; D044383:Black People; D003110:Colonic Neoplasms / Q000473:pathology; D004938:Esophageal Neoplasms / Q000473:pathology; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009602:Nitrosamines / Q000494:pharmacology; D012004:Rectal Neoplasms / Q000473:pathology; D012723:Sex; D013019:South Africa; D013274:Stomach Neoplasms / Q000473:pathology
chemical_list: D009602:Nitrosamines