The choice of a BCG strain.
D001500:BCG Vaccine / Q000592:standards*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014376:Tuberculosis / Q000517:prevention & control; D014944:World Health Organization
D001500:BCG Vaccine