[Present status of diphtheria immunization in newborn infants: experimental study].
D004165:Diphtheria / Q000276:immunology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014611:Vaccination
DIPHTHERIA/immunology; INFANT, NEWBORN
L'attuale stato immunitario antidifterico del neonato; contributo sperimentale.