1.
Luján Piedrahíta M. 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. Med UPB. 2020;39(2):66-72. doi:10.18566/medupb.v39n2.a11