Hellow guys, Welcome to my website, and you are watching Using Lung Stem Cells to Study the Effects of Cigarette Smoking on COVID-19 - Brigitte Gomperts. and this vIdeo is uploaded by University of California Television (UCTV) at 2020-09-26T16:00:07-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.