| Literature DB >> 7040589 |
J R Charlton, D L Patrick, G Matthews, P A West.
Abstract
Mesh:
Year: 1981 PMID: 7040589 PMCID: PMC1052179 DOI: 10.1136/jech.35.4.288
Source DB: PubMed Journal: J Epidemiol Community Health ISSN: 0143-005X Impact factor: 3.710