Guerra, R.; Gómez, L. J.; Castillo, U. G.; Toloza, G.; Sánchez-Pérez, J. P.; Avalos, N.; Mejía, J. G.; Núñez, M. J.; Moreno, M. A. Analgesic Effect, Phytochemical Characterization and Toxicological Analysis of Ethanolic Extract of Pereskia Lychnidiflora Leaves. Rev Peru Med Exp Salud Publica 2018, 35 (4), 581-9. https://doi.org/10.17843/rpmesp.2018.354.3532.