Reinforcing doses of diphtheria toxoid in children aged 10 to 12 years. Inadequate response to a single dose of orally administered toxoid.
D002648:Child; D004165:Diphtheria / Q000276:immunology*; D004168:Diphtheria Toxoid / Q000008:administration & dosage*; D006801:Humans; D007114:Immunization
D004168:Diphtheria Toxoid