@article{821fdcb476f3463985f5843ab7975480,
title = "Changes in d(s)/d(n) in the HIV-1 env gene [1]",
keywords = "d(s)/d(n), HIV evolution, HIV-1 env gene, Nonsynonymous substitutions, Positive selection, Synonymous substitutions",
author = "Rasmus Nielsen",
year = "1999",
month = jan,
day = "1",
doi = "10.1093/oxfordjournals.molbev.a026154",
language = "English",
volume = "16",
pages = "711--714",
journal = "Molecular Biology and Evolution",
issn = "0737-4038",
publisher = "Oxford University Press",
number = "5",
}