Salas, I., J. R. Brenes, and O. M. Morales. “Antihypertensive Effect of <i>Cecropia obtusifolia</i≫ (Moraceae) Leaf Extract on Rats”. Revista De Biología Tropical, vol. 35, no. 1, June 1987, pp. 127–130, https://revistas.ucr.ac.cr/index.php/rbt/article/view/24194.