Brooke, M. M., Neva Gleason, and F. Montero-Gei. “Intestinal Parasites in a Rural Community of Costa Rica”. Revista de Biología Tropical 11, no. 1 (July 1, 1963): 47–56. Accessed July 17, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/31136.