Babero, Bert B., and Katharina Golling. “Some Helminth Parasites of Nevada Bullfrogs, <i>Rana catesbiana</i≫ Shaw”. Revista de Biología Tropical 21, no. 2 (July 1, 1973): 207–220. Accessed December 19, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/27277.