Arroyo, Jorge, et al. “Gastroprotective and Antisecretory Effect of a Phytochemical Made from Matico Leaves (Piper Aduncum)”. Revista Peruana De Medicina Experimental Y Salud Pública, vol. 30, no. 4, Mar. 2014, https://doi.org/10.17843/rpmesp.2013.304.240.