title: Short communication: high polymorphism rates in the HR1 and HR2 gp41 and presence of primary resistance-related mutations in HIV type 1 circulating in Brazil: possible impact on enfuvirtide efficacy.
authors.affiliation: Federal University of São Paulo, São Paulo, Brazil.
authors.forename: Carla
authors.initials: C
authors.lastname: Teixeira
authors.forename: Dercy
authors.initials: D
authors.lastname: de Sá-Filho
authors.forename: Wagner
authors.initials: W
authors.lastname: Alkmim
authors.forename: Luiz Mario
authors.initials: LM
authors.lastname: Janini
authors.forename: Ricardo Sobhie
authors.initials: RS
authors.lastname: Diaz
authors.forename: Shirley
authors.initials: S
authors.lastname: Komninakis