title: Half-dose immunization for diphtheria, tetanus, pertussis.
authors.forename: W B
authors.initials: WB
authors.lastname: Rogers
mesh_terms: D015721:Diphtheria-Tetanus-Pertussis Vaccine / Q000008:administration & dosage* / Q000009:adverse effects; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature
chemical_list: D015721:Diphtheria-Tetanus-Pertussis Vaccine