Immunity against diphtheria in blood donors in East Berlin and West Berlin.
Stark
K
K
Barg
J
J
Molz
B
B
Vormwald
A
A
Bienzle
U
U
D000328:Adult; D001604:Berlin; D001782:Blood Donors; D004165:Diphtheria / Q000276:immunology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged