The paper which we discuss in the interview is available open access here How does tranexamic acid work? Critical appraisal aids To understand more about hierachy of evidence and how a systematic review fits into this please have a look at these resources available from the Cochrane group. http://consumers.cochrane.org/levels-evidence http://training.cochrane.org/path/grade-approach-evaluating-quality-evidence-pathway The CASP checklist can … Continue reading Episode 26: Tranexamic Acid