title: Transitional cell hyperplasia in the bladders of dogs fed DL-tryptophan.
mesh_terms: D000818:Animals; D002273:Carcinogens; D004285:Dogs; D004848:Epithelium / Q000187:drug effects; D005260:Female; D006965:Hyperplasia; D011230:Precancerous Conditions / Q000139:chemically induced*; D014364:Tryptophan; D001743:Urinary Bladder / Q000187:drug effects / Q000473:pathology; D001749:Urinary Bladder Neoplasms / Q000139:chemically induced* / Q000473:pathology
chemical_list: D002273:Carcinogens; D014364:Tryptophan