Comments on Successful Treatment of a high-risk diabetic Foot Ulcer by Ozone Therapy and Collagen Powder: A case reportMostafa Javanian1, Mohammad Barary2, Soheil Ebrahimpour1, *Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, IranStudent Research Committee, School of Medical Education and Learning Technologies, Shahid Beheshti University of Medical Sciences, Tehran, IranCorrespondence: Soheil Ebrahimpour, Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran. Email: drsoheil1503@yahoo.com