Montiel, M., Riggioni, O., Montiel Longhi, M., Kozuka, Y., Fonseca, J., Jaramillo, O., Carvajal, E., Rosencwaig, P. and Colmenares, A. 1994. Graminean pollens and their relationship with allergies in the Neotropics: the case of Costa Rica. Revista de Biología Tropical. 42, S1 (Aug. 1994), 5–85. DOI:https://doi.org/10.15517/rbt.v42i1.28686.