title: Sorting out the complexities of HIV-1 fitness.
authors.forename: Eric J
authors.initials: EJ
authors.lastname: Arts
authors.forename: Miguel E
authors.initials: ME
authors.lastname: Quiñones-Mateu
mesh_terms: D018450:Disease Progression; D024882:Drug Resistance, Viral; D015658:HIV Infections / Q000821:virology*; D015497:HIV-1 / Q000502:physiology*; D006801:Humans; D014779:Virus Replication