title: Genetics of gastro-intestinal disorders.
mesh_terms: D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D004381:Duodenal Ulcer / Q000097:blood / Q000235:genetics; D005260:Female; D005767:Gastrointestinal Diseases / Q000235:genetics*; D005796:Genes; D006801:Humans; D007983:Lewis Blood Group Antigens; D008297:Male; D008531:Megacolon; D011707:Pyloric Stenosis / Q000235:genetics; D012737:Sex Factors; D013274:Stomach Neoplasms / Q000097:blood; D013276:Stomach Ulcer / Q000097:blood / Q000235:genetics
chemical_list: D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D007983:Lewis Blood Group Antigens