A preliminary survey of the distribution of A B O and Rh blood groups in Trinidad, B.W.I.
D001789:Blood Group Antigens; D003625:Data Collection; D006801:Humans; D012204:Rh-Hr Blood-Group System; D014300:Trinidad and Tobago
D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System
BLOOD GROUPS; RH FACTORS