Hellow guys, Welcome to my website, and you are watching ELSA 11th Webinar:Making Biliary surgery safer. Nirvana of Safe Cholecystectomy by Prof Raymond Ong. and this vIdeo is uploaded by ELSA Society at 2020-08-24T09:00:10-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.