Hellow guys, Welcome to my website, and you are watching Cervical Stenosis: Traditional Technology vs. Newer Ultrasonic Technology for Spine Surgery. and this vIdeo is uploaded by Jeffrey Cantor, MD, Board Certified Spine Surgeon at 2020-05-12T11:02:31-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.