title: [In Process Citation].
authors: J P
authors: JP
authors: Garrahan
authors: R
authors: R
authors: Rodriguez
authors: H
authors: H
authors: Loizaga
mesh_terms: D001118:Argentina; D004165:Diphtheria / Q000453:epidemiology / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010372:Pediatrics / Q000266:history; D010506:Periodicals as Topic / Q000266:history