?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=G&rft.aulast=Umviligihozo&rft.au=Umviligihozo%2C+G&rft.issue=14&rft.volume=94&rft.title=Journal+of+Virology&rft.atitle=Differential+Vpu-Mediated+CD4+and+Tetherin+Downregulation+Functions+among+Major+HIV-1+Group+M+Subtypes&rft.date=1+July+2020&rft.genre=article