Hormone levels and ultrasound evaluation of Caiman latirostris (Crocodylia, Alligatoridae) ovulation - Portelinha, Thiago Costa Gonçalves; Jahn, Graciela Alma; Belén, Hapon M.; Verdade, Luciano Martins; Piña, Carlos Ignácio (South American Journal of Herpetology, 2015)