title: Immunization of children who have received fractional doses of diphtheria-tetanus toxoids-pertussis vaccine.
mesh_terms: D004168:Diphtheria Toxoid / Q000008:administration & dosage*; D007115:Immunization Schedule; D007117:Immunization, Secondary; D010567:Pertussis Vaccine / Q000008:administration & dosage*; D013745:Tetanus Toxoid / Q000008:administration & dosage*
chemical_list: D004168:Diphtheria Toxoid; D010567:Pertussis Vaccine; D013745:Tetanus Toxoid