[Retrospective study of the incidence of diphteria in Beograd (1964-1965)]. [electronic resource] - Srpski arhiv za celokupno lekarstvo Mar 1966 - 227-33 p. digital Publication Type: Journal Article ISSN: 0370-8179 Subjects--Topical Terms: Diphtheria--epidemiologyHumansRetrospective StudiesYugoslavia