title: Seroconversion following D.P.T. vaccine: effect of storage conditions.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis*; D000917:Antibody Formation; D002675:Child, Preschool; D004168:Diphtheria Toxoid / Q000276:immunology*; D006801:Humans; D007223:Infant; D010567:Pertussis Vaccine / Q000276:immunology*; D011309:Preservation, Biological / Q000379:methods*; D013745:Tetanus Toxoid / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D004168:Diphtheria Toxoid; D010567:Pertussis Vaccine; D013745:Tetanus Toxoid