Antonio-Valdiviezo A, Gómez-Rivera S, Martínez-Torres J. Progressive multifocal leukoencephalopathy in a patient with prolonged survival: a case report. Rev Med Inst Mex Seguro Soc [Internet]. 2021 Sep. 3 [cited 2026 Nov. 12];46(5):557-60. Available from: https://revistamedica.imss.gob.mx/index.php/revista_medica/article/view/2708