| Literature DB >> 7685050 |
P Riordan-Eva1, C E Williams, A J Wing, E M Graham, M D Sanders.
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Year: 1993 PMID: 7685050 PMCID: PMC1294015 DOI: 10.1177/014107689308600523
Source DB: PubMed Journal: J R Soc Med ISSN: 0141-0768 Impact factor: 18.000