La Barbera-Sánchez, Amelia, Jose Franco Soler, Luisa Rojas de Astudillo, and Ivan Chang-Yen. “Paralytic Shellfish Poisoning (PSP) in Margarita Island, Venezuela”. Revista de Biología Tropical 52, no. S1 (September 1, 2004): 89–98. Accessed December 18, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/26522.