title: Effect of DL-tryptophan on tumorigenesis in the urinary bladder and liver of rats treated with N-nitrosodibutylamine.
mesh_terms: D000818:Animals; D001835:Body Weight; D002273:Carcinogens; D004938:Esophageal Neoplasms / Q000139:chemically induced; D004947:Esophagus; D008099:Liver; D008113:Liver Neoplasms / Q000139:chemically induced*; D008297:Male; D009602:Nitrosamines / Q000037:antagonists & inhibitors; D009929:Organ Size; D051381:Rats; D014364:Tryptophan / Q000494:pharmacology*; D001743:Urinary Bladder; D001749:Urinary Bladder Neoplasms / Q000139:chemically induced*
chemical_list: D002273:Carcinogens; D009602:Nitrosamines; D014364:Tryptophan