Hellow guys, Welcome to my website, and you are watching 비타민D 섭취 시 주의할 점 5가지(서울백병원 박현아 교수). and this vIdeo is uploaded by 의학채널 비온뒤 at 2021-08-10T14:00:06-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.