Hellow guys, Welcome to my website, and you are watching ‘치매 원인’ 최초 규명…“중증 반응성 별세포 막아야” / KBS뉴스(News). and this vIdeo is uploaded by KBS News at 2020-11-16T13:43:03-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
