| Literature DB >> 3069301 |
I M Harvey, S Leadbeatter, T J Peters, J Mullins, C M Philpot, J R Salaman.
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Year: 1988 PMID: 3069301 DOI: 10.1093/oxfordjournals.pubmed.a042423
Source DB: PubMed Journal: Community Med ISSN: 0142-2456