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R W Scherer1, K Dickersin, P Langenberg

  • 1Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore 21201.

JAMA
|July 13, 1994
PubMed
概括

大约一半的随机临床试验摘要,特别是在眼科,在两年内完全发表. 发表率可能与重大发现和更大的样本大小相关.

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