title: A PRELIMINARY SURVEY OF ABO BLOOD GROUP FREQUENCY IN NASOPHARYNGEAL CARCINOMA IN CHINESE PATIENTS.
mesh_terms: D000017:ABO Blood-Group System; D044466:Asian People; D002277:Carcinoma; D003625:Data Collection; D006801:Humans; D000077274:Nasopharyngeal Carcinoma; D009303:Nasopharyngeal Neoplasms; D009369:Neoplasms / Q000453:epidemiology*; D012846:Singapore
chemical_list: D000017:ABO Blood-Group System
keywords: ABO FACTORS; MONGOLOID RACE; NASOPHARYNGEAL NEOPLASMS; NEOPLASM STATISTICS; SINGAPORE