Freeze-dried smallpox vaccine; report of a trial in Kuala Lumpur.
D002648:Child; D002675:Child, Preschool; D005260:Female; D005612:Freeze Drying; D006801:Humans; D007223:Infant; D008296:Malaysia; D008297:Male; D012899:Smallpox / Q000276:immunology*; D012900:Smallpox Vaccine
D012900:Smallpox Vaccine