Hellow guys, Welcome to my website, and you are watching "대장암 발병, 음주보다 흡연이 더 위험" / YTN. and this vIdeo is uploaded by YTN at 2015-10-25T22:44:42-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
