?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nguyen%2C+Thu&rft.aulast=Nguyen&rft.aufirst=Thu&rft.volume=88(5)&rft.date=2020&rft.issn=Print+ISSN&rft.atitle=FLAVI%3A+An+Amino+Acid+Substitution+Model+for+Flaviviruses&rft.title=Journal+of+Molecular+Evolution&rft.pages=445-452&rft.genre=article