title: A study on the aetiological factors of bilharzial bladder cancer in Egypt--1. Nitrosamines and their precursors in urine.
mesh_terms: D004534:Egypt; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009369:Neoplasms / Q000652:urine; D009573:Nitrites / Q000652:urine; D009602:Nitrosamines / Q000652:urine*; D012552:Schistosomiasis / Q000150:complications / Q000652:urine*; D013861:Thiocyanates / Q000652:urine; D001749:Urinary Bladder Neoplasms / Q000139:chemically induced* / Q000209:etiology / Q000652:urine
chemical_list: D009573:Nitrites; D009602:Nitrosamines; D013861:Thiocyanates