The ABO, MNS and Rh blood groups of the Black Mountain of Carmarthenshire.
D001741:Black or African American; D044383:Black People; D001789:Blood Group Antigens; D006801:Humans; D012204:Rh-Hr Blood-Group System
D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System
BLOOD GROUPS; RH FACTORS