Lomonte, Bruno, César Bonilla, José A. Gené, Eugenia Mata, and Jorge Alvarado. “Serum Immunoglobulin Levels in Cabécar and Guaymí Indians in Southeastern Costa Rica”. Revista de Biología Tropical 35, no. 2 (November 1, 1987): 339–340. Accessed December 19, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/24112.