| Literature DB >> 588854 |
W J Elwood, B E Clayton, R A Cox, H T Delves, E King, D Malcolm, J M Ratcliffe, J F Taylor.
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Year: 1977 PMID: 588854 PMCID: PMC479016 DOI: 10.1136/jech.31.3.154
Source DB: PubMed Journal: Br J Prev Soc Med ISSN: 0007-1242