title: Multi-stage tumour development in the urinary bladder.
mesh_terms: D000328:Adult; D000367:Age Factors; D000818:Animals; D003520:Cyclophosphamide / Q000633:toxicity; D006801:Humans; D008741:Methyl Methanesulfonate / Q000633:toxicity; D008770:Methylnitrosourea; D008875:Middle Aged; D009955:Ornithine Decarboxylase / Q000096:biosynthesis; D012306:Risk; D012552:Schistosomiasis / Q000150:complications; D001744:Urinary Bladder Calculi / Q000150:complications; D001749:Urinary Bladder Neoplasms / Q000209:etiology*
chemical_list: D008770:Methylnitrosourea; D003520:Cyclophosphamide; D008741:Methyl Methanesulfonate; D009955:Ornithine Decarboxylase