Effects of active meditation on physical and psycho-emotional stress indicators in Chilean health sciences students. A pilot study. - Morrison, Rodolfo; Paz-Díaz, Carmen; Gutiérrez, Pamela; Frías, Carla; Espinosa, Alejandra; Soto, Paula; González, Alejandra; Mella, Sandra; López, Ignacio (Revista Facultad de Medicina de la Universidad Nacional de Colombia, 2020)