Hellow guys, Welcome to my website, and you are watching 혹시 소화불량이라면? 몰라서 더 치명적인 암 | 조기 발견이 쉽지 않고 전이가 빨라 위험한 담도암, 담낭암 | 명의. and this vIdeo is uploaded by EBS 컬렉션 - 사이언스 at 2023-05-14T04:30:19-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.