Secondary hepatogenous photosensitization in a llama (Lama glama) bred in the state of Sáo Paulo, Brazil - Birgel Júnior, Eduardo Harry; Santos, Maria Caroline dos; Ramos, Janaina de Arruda Camara; Pogliani, Fabio Celidonio; Birgel, Daniela Becker; Della Libera, Alice Maria Melville Paiva; Gregory, Lilian; Araújo, Wanderley Pereira de; Benesi, Fernando José (Canadian Veterinary Journal, 2007)