Guerrero Pabón, M.F., Bareño, L.L., Puebla, P. and San Feliciano, A. 2020. VASCULAR MECHANISMS OF TRITERPENOID SAPONINS ISOLATED FROM Passiflora quadrangularis L. Vitae. 27, 2 (Sep. 2020). DOI:https://doi.org/10.17533/udea.vitae.v27n2a02.