| Literature DB >> 16960189 |
A Cecile J W Janssens, Marta Gwinn, Rodolfo Valdez, K M Venkat Narayan, Muin J Khoury.
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Year: 2006 PMID: 16960189 PMCID: PMC1562463 DOI: 10.1136/bmj.38953.598947.80
Source DB: PubMed Journal: BMJ ISSN: 0959-8138