Parasitism of domestic swine (Sus scrofa) by Amblyomma ticks (Acari:Ixodidae) on a farm at Monte Negro, western Amazon, Brazil - Labruna, Marcelo Bahia; Camargo, Luís Marcelo Aranha; Schumaker, Teresinha Tizu Sato; Camargo, Erney Felício Plessmann de (Journal Medical Entomology, 2002)