Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching 地中海贫血症 Thalassaemia - 最常见的遗传病之一!. and this video is uploaded by Dr Teo 张医生 小儿科频道 at 2021-01-22T16:57:29-08:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [b6ss1OlC8zk]