The annual ovarian cycle in Northern pit vipers (Bothrops atrox) using serum steroids and ultrasound of the female reproductive tract - Vieira, Samira Emanuela Maria; Grego, Kathleen Fernandes; Blank, Marcel Henrique; Novaes, Gabriel Augusto; Silveira, Giovanni Perez Machado da; Sant’Anna, Sávio Stefanini; Pereira, Ricardo José Garcia (General and Comparative Endocrinology, 2024)