Hellow guys, Welcome to my website, and you are watching [Dr.log] 고령 환자도 가능한 허리 수술, 양방향 척추 내시경 수술!. and this vIdeo is uploaded by 고대병원 at 2020-10-27T16:30:01-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.