Immunisation of the preterm baby.
D004165:Diphtheria / Q000517:prevention & control*; D006801:Humans; D007114:Immunization; D007231:Infant, Newborn; D007234:Infant, Premature; D013742:Tetanus / Q000517:prevention & control*; D014917:Whooping Cough / Q000517:prevention & control*