Hellow guys, Welcome to my website, and you are watching 암 환자 절반, 담배 못 끊는다…재발·2차암 위험↑ / KBS뉴스(News). and this vIdeo is uploaded by KBS News at 2019-07-24T21:04:26-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
