| Literature DB >> 12351359 |
Wolf Langewitz1, Martin Denz, Anne Keller, Alexander Kiss, Sigmund Rüttimann, Brigitta Wössmer.
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Year: 2002 PMID: 12351359 PMCID: PMC126654 DOI: 10.1136/bmj.325.7366.682
Source DB: PubMed Journal: BMJ ISSN: 0959-8138