W W Holland, J R Ashford, J R Colley, D C Morgan, N J Pearson. Show Affiliations »
Abstract
Mesh: See more » AdultAgedBronchitis/diagnosisBronchitis/epidemiologyEnglandEpidemiologic MethodsHealth SurveysHumansMaleMiddle AgedRespiratory Function TestsSmokingSputum/analysis
Year: 1966 PMID: 5959678 PMCID: PMC1059031 DOI: 10.1136/jech.20.2.76
Source DB: PubMed Journal: Br J Prev Soc Med ISSN: 0007-1242