Comparative Phylogeography of the Atlantic Forest Endemic Sloth (Bradypus torquatus) and the Widespread Three-toed Sloth (Bradypus variegatus) (Bradypodidae, Xenarthra) - Moraes-Barros, Nádia de; Silva, Juliana A. B.; Miyaki, Cristina Yumi; Morgante, João Stenghel (Genetica: the international journal on genetics, 2006)