| Literature DB >> 2647988 |
M G Thomas1, S Rowland-Jones, E Smyth.
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Year: 1989 PMID: 2647988 PMCID: PMC1292011 DOI: 10.1177/014107688908200223
Source DB: PubMed Journal: J R Soc Med ISSN: 0141-0768 Impact factor: 5.344