LUJÁN PIEDRAHÍTA , Mauricio. Virtuality in the internal medicine theoretical course in students of V, VI and VII semester as a result of the COVID-19 pandemic during the first semester of 2020, School of Medicine, School of Health Sciences, Universidad Pontificia Bolivariana, Medellí. Medicina UPB, [S. l.], v. 39, n. 2, p. 66–72, 2020. DOI: 10.18566/medupb.v39n2.a11. Disponível em: https://revistas.upb.edu.co/index.php/medicina/article/view/5399. Acesso em: 14 jun. 2026.