Estupiñan, Laura Ximena, Alexander Yanguas, Danilo Araujo, Andres Felipe Luna, and Carlos Humberto Martínez. “Factors Related to the Donation of Blood in Students of Dentistry of a University in Cali, Colombia 2017”. Revista Estomatología 26, no. 1 (October 1, 2018): 15–19. Accessed July 4, 2022. https://estomatologia.univalle.edu.co/index.php/revista_estomatologia/article/view/7072.