| Literature DB >> 13091309 |
Abstract
Entities:
Keywords: POLIOMYELITIS/prevention and control; VACCINES AND VACCINATION
Mesh:
Substances:
Year: 1953 PMID: 13091309 DOI: 10.1001/archpedi.1953.02050080311006
Source DB: PubMed Journal: AMA Am J Dis Child ISSN: 2374-2941