| Literature DB >> 13618613 |
Abstract
Entities:
Keywords: BRONCHITIS/prevention and control; INDUSTRIAL HYGIENE; INFLUENZA/immunology
Mesh:
Substances:
Year: 1959 PMID: 13618613 PMCID: PMC1992380 DOI: 10.1136/bmj.1.5117.263
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447