R R PUFFER. Show Affiliations »
Abstract
Entities: Disease
Keywords: POLIOMYELITIS/epidemiology
Mesh: See more » AmericasHumansIncidencePoliomyelitis/epidemiology
Year: 1955 PMID: 13260398
Source DB: PubMed Journal: Bol Oficina Sanit Panam ISSN: 0030-0632