Hellow guys, Welcome to Utubetrends, and you are watching Lap. Cholecystectomy by Dr. H.N. Singh on Olympus 3D system with help of Covidien Sonicision.. and this vIdeo is uploaded by RAMRATI HOSPITAL BARAHLAGNJ , GORAKHPUR at 2021-02-26T02:22:41-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.