title: Combined BCG and smallpox immunization: a preliminary report on a method using the W.H.O. bifurcated needle.
mesh_terms: D000293:Adolescent; D001500:BCG Vaccine; D002648:Child; D006801:Humans; D008722:Methods; D009339:Needles; D012899:Smallpox / Q000517:prevention & control; D012900:Smallpox Vaccine / Q000008:administration & dosage*; D014944:World Health Organization
chemical_list: D001500:BCG Vaccine; D012900:Smallpox Vaccine