| Literature DB >> 12519801 |
Virginia A Hill1, R H Felix, P S Mortimer, J I Harper.
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Year: 2003 PMID: 12519801 PMCID: PMC539370 DOI: 10.1177/014107680309600109
Source DB: PubMed Journal: J R Soc Med ISSN: 0141-0768 Impact factor: 18.000