| Literature DB >> 11141149 |
G H de Bock1, C J van Asperen, J M de Vries, G C Hageman, M P Springer, J Kievit.
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Year: 2001 PMID: 11141149 PMCID: PMC26604 DOI: 10.1136/bmj.322.7277.26
Source DB: PubMed Journal: BMJ ISSN: 0959-8138