| Literature DB >> 20439587 |
Nelson Lee, Paul K S Chan, Wai-yip Lam, Cheuk-chun C Szeto, David S C Hui.
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Year: 2010 PMID: 20439587 DOI: 10.7326/0003-4819-152-9-201005040-00021
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391