Virtual reality as a non-medical tool in the treatment of anxiety, pain, and perception of time in children in the maintenance phase of acute lymphoblastic leukemia treatment oleh Liliana Velasco-Hidalgo, Alejandro González-Garay, Blanca Angélica Segura-Pacheco, Ana Luisa Esparza-Silva, Miguel Enrique Cuéllar Mendoza, Miguel Enrique Cuéllar Mendoza, Cecilia Ochoa-Drucker, Sofía Campos-Ugalde, Luis Eduardo Bernabé-Gaspar, Marta Zapata-Tarrés