| Literature DB >> 13182282 |
Abstract
Entities:
Keywords: AIR POLLUTION; BRONCHITIS/etiology and pathogenesis; SULFUR
Mesh:
Substances:
Year: 1954 PMID: 13182282 PMCID: PMC2079589 DOI: 10.1136/bmj.2.4887.567
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447