ABO groups in hypogammaglobulinaemia.
D000017:ABO Blood-Group System; D000361:Agammaglobulinemia / Q000097:blood*; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D008910:Minnesota; D006113:United Kingdom
D000017:ABO Blood-Group System; D007074:Immunoglobulin G