Routine immunisation of preterm infants.
D003906:Developing Countries; D015721:Diphtheria-Tetanus-Pertussis Vaccine / Q000008:administration & dosage; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature / Q000276:immunology*; D006113:United Kingdom
D015721:Diphtheria-Tetanus-Pertussis Vaccine