| Literature DB >> 14229710 |
D L MILLER, C M TINKER, C M FLETCHER.
Abstract
Keywords: BRONCHITIS; EPIDEMIOLOGY; INDUSTRIAL MEDICINE; SPECIMEN HANDLING; SPUTUM; STATISTICS
Mesh:
Year: 1965 PMID: 14229710 PMCID: PMC2165303 DOI: 10.1136/bmj.1.5430.291
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447