[Decreased vaccination reactions with long needles].
Hofmann
Julia
J
D006801:Humans; D007223:Infant; D009339:Needles; D016032:Randomized Controlled Trials as Topic; D014611:Vaccination / Q000009:adverse effects*; D014612:Vaccines / Q000008:administration & dosage* / Q000009:adverse effects*
D014612:Vaccines