STUDY OF THE IMMUNITY RATES TO MEASLES VIRUS IN A RURAL AREA AND ITS CORRELATION TO RESULTS OBTAINED IN THE POPULATION OF A LARGE TOWN.
D003168:Complement Fixation Tests; D003604:Czechoslovakia; D006801:Humans; D007109:Immunity; D008457:Measles; D008459:Measles virus
COMPLEMENT FIXATION TESTS; CZECHOSLOVAKIA; IMMUNITY; MEASLES; MEASLES VIRUS