| Literature DB >> 14392076 |
Abstract
Entities:
Keywords: POLIOMYELITIS/prevention and control; VACCINES AND VACCINATION
Mesh:
Substances:
Year: 1955 PMID: 14392076 DOI: 10.1001/jama.1955.02960140028004
Source DB: PubMed Journal: J Am Med Assoc ISSN: 0002-9955