| Literature DB >> 12039823 |
P D van der Linden1, M C J M Sturkenboom, R M C Herings, H G M Leufkens, B H Ch Stricker.
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Year: 2002 PMID: 12039823 PMCID: PMC113766 DOI: 10.1136/bmj.324.7349.1306
Source DB: PubMed Journal: BMJ ISSN: 0959-8138