| Literature DB >> 12153922 |
Lone Storgaard1, Jens Peter Bonde, Erik Ernst, Claus Yding Andersen, Kirsten Ohm Kyvik, Jørn Olsen.
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Year: 2002 PMID: 12153922 PMCID: PMC117639 DOI: 10.1136/bmj.325.7358.252
Source DB: PubMed Journal: BMJ ISSN: 0959-8138