title: Association of ABO (H) antigen negative transitional cell tumours with abnormal mucosal biopsies in superficial bladder cancer.
authors.forename: G
authors.initials: G
authors.lastname: Das
mesh_terms: D000017:ABO Blood-Group System; D001706:Biopsy; D002295:Carcinoma, Transitional Cell / Q000276:immunology* / Q000473:pathology; D006801:Humans; D007124:Immunoenzyme Techniques; D009092:Mucous Membrane / Q000473:pathology; D001749:Urinary Bladder Neoplasms / Q000276:immunology* / Q000473:pathology
chemical_list: D000017:ABO Blood-Group System