Salazar-Blandón, Diego Alejandro, and Beatriz Elena Ospina-Rave. 2019. “Critical Thinking Level of Undergraduate Nursing Students from First and Last Semesters in a University of Medellín-Colombia”. Universidad Y Salud 21 (2). San Juan de Pasto, CO:152-58. https://doi.org/10.22267/rus.192102.149.