Index of CAT Sheets by subject from the  Department of Internal Medicine, University of North Carolina, Chapel Hill.

Topics are arranged by general topics such as renal, pulmonary, dermatiology, etc.

BETs (Best Evidence Topics) were developed in the Emergency Department of Manchester Royal Infirmary, UK, to provide rapid evidence-based answers to real-life clinical questions, using a systematic approach to reviewing the literature. BETs take into account the shortcomings of much current evidence, allowing physicians to make the best of what there is.