| Literature DB >> 14715618 |
Gunnar Lauge Nielsen, Mette Vinther Skriver, Lars Pedersen, Henrik Toft Sørensen.
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Year: 2004 PMID: 14715618 PMCID: PMC314061 DOI: 10.1136/bmj.328.7431.109
Source DB: PubMed Journal: BMJ ISSN: 0959-8138