[TRIAL EXTENSION OF BCG VACCINATION].
D001500:BCG Vaccine; D002648:Child; D005602:France; D006801:Humans; D007223:Infant; D009163:Mycobacterium bovis; D014611:Vaccination
D001500:BCG Vaccine
BCG VACCINATION; CHILD; FRANCE; INFANT
ESSAI D'EXTENSION DE LA VACCINATION B. C. G.