1. Users’ guides to the medical literature: XXV. Evidence-based medicine: Principles for applying the users’ guides to patient care;Guyatt G. H.;The Journal of the American Medical Association,2000
2. Evidence-based medicine;Sackett D. L.;What it is and what it isn’t. Article based on an editorial from the British Medical Journal,1996
3. Evidence-based practice guidelines for dysarthria: Management of velopharyngeal function;Yorkston K. M.;Journal of Medical Speech-Language Pathology,2001