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    杨学宁, 吴一龙. 临床证据水平分级和推荐级别[J]. 循证医学, 2003, 3(2): 111-113. DOI: 10.3969/j.issn.1671-5144.2003.02.017
    引用本文: 杨学宁, 吴一龙. 临床证据水平分级和推荐级别[J]. 循证医学, 2003, 3(2): 111-113. DOI: 10.3969/j.issn.1671-5144.2003.02.017
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    Levels of evidence and grades of recommendations[J]. Journal of Evidence-Based Medicine, 2003, 3(2): 111-113. DOI: 10.3969/j.issn.1671-5144.2003.02.017
    Citation: Levels of evidence and grades of recommendations[J]. Journal of Evidence-Based Medicine, 2003, 3(2): 111-113. DOI: 10.3969/j.issn.1671-5144.2003.02.017
    shu

    临床证据水平分级和推荐级别

    Levels of evidence and grades of recommendations

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