[Frequency distribution of ABO groups, A-sub-groups and substance P and the presence of irregular blood group-antibodies in small children].
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D002648:Child; D006296:Health Services; D006801:Humans; D016008:Statistical Distributions; D013373:Substance P
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D013373:Substance P
BLOOD GROUPS