| Literature DB >> 15591563 |
Deborah Charles1, Andy R Ness, Doris Campbell, George Davey Smith, Marion H Hall.
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Year: 2004 PMID: 15591563 PMCID: PMC535452 DOI: 10.1136/bmj.329.7479.1375
Source DB: PubMed Journal: BMJ ISSN: 0959-8138