Wikipedia:可靠來源 (醫學)：修订间差异
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小 清理跨語言連結研究可分為不同證據等級、證據等級成為內部連結:編輯摘要的red link經繁簡轉換後存在 |
→評估證據品質： 調整格式 |
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-->|width1=400|caption1=[[宝洁]] <ref name="dentalcare.com">{{Cite web|title = Evidence-Based Decision Making: Introduction and Formulating Good Clinical Questions {{!}} Continuing Education Course {{!}} dentalcare.com Course Pages {{!}} DentalCare.com|url = http://www.dentalcare.com/en-US/dental-education/continuing-education/ce311/ce311.aspx?ModuleName=coursecontent&PartID=4&SectionID=-1|website = www.dentalcare.com|accessdate = 2015-09-03}}</ref> [[纽约州立大学]] <ref name="SUNY">{{Cite web|title = SUNY Downstate EBM Tutorial|url = http://library.downstate.edu/EBM2/2100.htm|website = library.downstate.edu|accessdate = 2015-09-03}}</ref>|alt1=|image2=Research_design_and_evidence_-_Capho_zh_t.svg|width2=400|caption2=加拿大腫瘤醫藥協會<ref name="Capho">{{Cite web|title = The Journey of Research - Levels of Evidence {{!}} CAPhO|url = http://www.capho.org/blog/journey-research-levels-evidence|website = www.capho.org|accessdate = 2015-09-03}}</ref>|alt2=|footer='''醫學證據等級'''有不同劃分方法，綜述及臨床診治指南在不同方法中都視為最高級證據。|}}
{{anchor|最佳證據}}療效的最佳證據是对[[随机对照试验]]（RCT）的[[元分析]]（meta-analysis）<ref>{{cite book |vauthors=Straus SE, Richardson WS, Glasziou P, Haynes RB |title= Evidence-based Medicine: How to Practice and Teach EBM |edition=3rd |isbn=0-443-07444-5 |location=Edinburgh |publisher= Churchill Livingstone |year=2005 |pages=102–105}}</ref>。分析總體上優質且一致的文獻、就一具體建議進行論述的系統綜述在包含非隨機對照研究時較不可靠。<ref>{{cite book |vauthors=Straus SE, Richardson WS, Glasziou P, Haynes RB |title= Evidence-based Medicine: How to Practice and Teach EBM |edition=3rd |isbn=0-443-07444-5 |location=Edinburgh |publisher= Churchill Livingstone |year=2005 |page=99}}</ref>。 敘述性綜述
推測性提議與早期研究不應暗示暗示有關觀點已廣為接受。因未來治療方式和現有臨床療法關係不大，早期[[臨床試驗]]結果不應作為「治療」段落的來源。此類結果有時可用於專門介紹相關療法、相關研究人員、相關企業的條目中。這類資訊，特別是引用二次文獻時，可以放在疾病條目中的「研究」章節中。為了避免誤解，條目應清楚表明研究級別（如「第一次安全的人體試驗」）。
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