Azofeifa, Jorge, and Ramiro Barrantes. “Genetic Variation in the Bribri and Cabecar Amerindians from Talamanca, Costa Rica”. Revista de Biología Tropical 39, no. 2 (November 1, 1991): 249–253. Accessed April 28, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/24869.