Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 의사가 의학 정보를 알려주는 유튜브 채널 구독자 순위 TOP20. That video is uploaded by 랭킹Y at 2021-08-22T05:51:05-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [mKp5s5vE9iA]