Randomized clinical trial of transcutaneous electrical posterior tibial nerve stimulation versus lateral internal sphincterotomy for treatment of chronic anal fissure Tamer Youssef, Mohamed Youssef, Waleed Thabet, Ahmed Lotfy, Reham Shaat, Eman Abd-Elrazek, Mohamed Farid International Journal of Surgery Volume 22, Pages 143-148 (October 2015) DOI: 10.1016/j.ijsu.2015.08.033 Copyright © 2015 IJS Publishing Group Limited Terms and Conditions
Fig. 1 Flow diagram of the progress through the phases of a randomized trial (i.e. enrollment, intervention allocation, follow up and data analysis). International Journal of Surgery 2015 22, 143-148DOI: (10.1016/j.ijsu.2015.08.033) Copyright © 2015 IJS Publishing Group Limited Terms and Conditions