[Importance of the jet injector (injection without a needle) in mass immunization projects in Brazil: results with anti-tetanus and anti-smallpox vaccines].
D006801:Humans; D007267:Injections / Q000295:instrumentation*; D012899:Smallpox / Q000276:immunology*; D013742:Tetanus / Q000276:immunology*; D014611:Vaccination
Importância dl "jet-injector" (injecão sem agulha) em planos de imunizacão em massa no brasil: resultados com as vacinas antitetanica e antivariólica.