Sáenz, J. A., and M. Nassar. “Toxic Effect of the Fruit of <i>Passiflora adenopoda</i> D. C. on Humans: Phytochemical Determination”. Revista De Biología Tropical, vol. 20, no. 1, July 1972, pp. 137–140, doi:10.15517/rev.biol.trop. v20i1.27505.