| Literature DB >> 11677787 |
H D Nelson, C D Morris, D F Kraemer, S Mahon, N Carney, P M Nygren, M Helfand.
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Year: 2001 PMID: 11677787 PMCID: PMC4781611
Source DB: PubMed Journal: Evid Rep Technol Assess (Summ) ISSN: 1530-440X