title: Abnormal distribution of ABO blood groups in infantile pyloric stenosis.
mesh_terms: D000017:ABO Blood-Group System; D000233:Adenoidectomy; D000941:Antigens; D002648:Child; D002675:Child, Preschool; D006648:Histocompatibility; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D011707:Pyloric Stenosis / Q000097:blood*; D012204:Rh-Hr Blood-Group System; D012463:Saliva / Q000276:immunology; D014068:Tonsillectomy
chemical_list: D000017:ABO Blood-Group System; D000941:Antigens; D012204:Rh-Hr Blood-Group System