| Literature DB >> 14053703 |
Abstract
Keywords: BRONCHOPNEUMONIA; ENGLAND; INFLUENZA; INFLUENZA VACCINE; INSURANCE, HEALTH; MORTALITY; PNEUMONIA; STATISTICS
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Year: 1963 PMID： 14053703 PMCID： PMC2482509 DOI： 10.1136/pgmj.39.456.612
Source DB: PubMed Journal: Postgrad Med J ISSN： 0032-5473 Impact factor: 2.401