title: Sero-conversion following DPT immunization-comparison of two immunizing agents.
mesh_terms: D002675:Child, Preschool; D004166:Diphtheria Antitoxin / Q000032:analysis*; D006386:Hemagglutination Tests; D006801:Humans; D007223:Infant; D013743:Tetanus Antitoxin / Q000032:analysis*; D014611:Vaccination
chemical_list: D004166:Diphtheria Antitoxin; D013743:Tetanus Antitoxin