title: Observations on diphtheria in the newborn and on the subsequent immunity.
mesh_terms: D002648:Child; D004165:Diphtheria; D004194:Disease; D006801:Humans; D007109:Immunity; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases
keywords: DIPHTHERIA/immunity; DIPHTHERIA/in infants and children; INFANTS, NEWBORN/diseases; INFANTS/diseases