[INCIDENCE OF GM-A IN NORTHERN RHINELAND].
D001789:Blood Group Antigens; D005858:Germany; D005860:Germany, West; D006801:Humans; D015994:Incidence; D005719:gamma-Globulins
D001789:Blood Group Antigens; D005719:gamma-Globulins
BLOOD GROUPS; GAMMA GLOBULIN; GERMANY, WEST