title: Blood groups and reaginic hypersensitivity.
mesh_terms: D000017:ABO Blood-Group System; D000293:Adolescent; D000906:Antibodies; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000276:immunology*; D008297:Male; D011935:Reagins; D012204:Rh-Hr Blood-Group System
chemical_list: D000017:ABO Blood-Group System; D000906:Antibodies; D011935:Reagins; D012204:Rh-Hr Blood-Group System