Gordon H. Guyatt, MD, MSc, discusses Assessing the Strength of Recommendations: The GRADE Approach with Per Olav Vandvik, MD, PhD. Related Content: How to Interpret and Use a Clinical Practice Guideline or Recommendation

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Gordon H. Guyatt, MD, MSc, discusses Fixed-Effects and Random-Effects Models with M. Hassan Murad, MD. Related Content: Random-Effects Meta-analysis