Spontaneous retroperitoneal liposarcoma in a free-ranging juvenile golden-headed lion tamarin (Leontopithecus chrysomelas) - Díaz-Delgado, Josué; Molina, Camila Vieira; Catão-Dias, José Luiz; Kierulff, Maria Cecília Martins; Pissinatti, Alcides; Bueno, Marina Galvão (Journal of Medical Primatology, 2019)