?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Le%2C+Sy+Vinh&rft.aulast=Le&rft.aufirst=Sy+Vinh&rft.issue=136&rft.volume=17&rft.date=2017&rft.atitle=Improved+mitochondrial+amino+acid+substitution+models+for+metazoan+evolutionary+studies&rft.title=BMC+Mol+Evol&rft.genre=article