[1]
Sáenz R., J.A. and Nassar C., M. 1965. Phytochemical Screening of Costa Rican Plants: Alkaloid Analysis II. Revista de Biología Tropical. 13, 2 (Dec. 1965), 207–212. DOI:https://doi.org/10.15517/rev.biol.trop.1965.28635.