Smallpox vaccination of infants and preschool children in rural Punjab.
D002648:Child; D002675:Child, Preschool; D006801:Humans; D007194:India; D007223:Infant; D012424:Rural Population; D012899:Smallpox; D012900:Smallpox Vaccine; D014611:Vaccination
D012900:Smallpox Vaccine
SMALLPOX VACCINE