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D Moher1, B Pham, A Jones

  • 1Children's Hospital of Eastern Ontario Research Institute, and Department of Epidemiology and Community Medicine, University of Ottawa, Canada. 107656.3375@compuserve.com

Lancet (London, England)
|September 24, 1998
PubMed
概括

低质量的随机对照试验 (RCT) 过高估计了干预效益. 将研究质量纳入元分析对于准确的疗效估计至关重要,影响临床决策.

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