[Smallpox vaccination. What happened to prevaccination stuff?].
Schmitz
Herbert
H
D006801:Humans; D012900:Smallpox Vaccine / Q000008:administration & dosage* / Q000276:immunology; D014611:Vaccination; D014613:Vaccines, Attenuated; D014615:Vaccinia / Q000209:etiology / Q000517:prevention & control; D014616:Vaccinia virus / Q000276:immunology*
D012900:Smallpox Vaccine; D014613:Vaccines, Attenuated