DILLENBERG, H O Incidence of symptoms following feeding of oral poliovirus vaccine and a placebo. [electronic resource] - Canadian journal of public health = Revue canadienne de sante publique Jun 1963 - 246-8 p. digital Publication Type: Journal Article ISSN: 0008-4263 Subjects--Topical Terms: HumansIncidencePoliovirusPoliovirus Vaccine, Oral