title: Nested PCR to detect and distinguish the sympatric filarial species Onchocerca volvulus, Mansonella ozzardi and Mansonella perstans in the Amazon Region.
authors.affiliation: Malaria y Protozoos Emergentes, Servicio de Parasitología, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Carretera Majadahonda-Pozuelo km 2, Majadahonda, Madrid, Spain.
authors.forename: Thuy-Huong Ta
authors.initials: TH
authors.lastname: Tang
authors.forename: Rogelio
authors.initials: R
authors.lastname: López-Vélez
authors.forename: Marta
authors.initials: M
authors.lastname: Lanza
authors.forename: Anthony John
authors.initials: AJ
authors.lastname: Shelley
authors.forename: Jose Miguel
authors.initials: JM
authors.lastname: Rubio
authors.forename: Sérgio Luiz Bessa
authors.initials: SL
authors.lastname: Luz