R. Ramírez Marmolejo, L. Y. Aristizábal Gómez, L. M. Gómez Franco, E. P. . Dueñas Suarez, S. . Ramírez Isaza, and M. P. . Soto Carvajal, “ Advance voluntary directive versus distanasia in the care of the elderly with COVID-19 and kidney disease”, Rev. Colomb. Nefrol., vol. 7, no. 2, Oct. 2020.