| Literature DB >> 12574044 |
Christian Meier1, Peter Trittibach, Merih Guglielmetti, Jean-Jacques Staub, Beat Müller.
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Year: 2003 PMID: 12574044 PMCID: PMC143526 DOI: 10.1136/bmj.326.7384.311
Source DB: PubMed Journal: BMJ ISSN: 0959-8138