Renal Function Impairment in Kidney Transplantation: Importance of Early BK Virus Detection - Manzano Sanchez, D.; Jimeno Garcia, L.; Manzano Sanchez, D.; Lopez Jimenez, I.; Saura Lujan, I. M.; Gonzalez Soriano, M. J.; Llorente Vinas, S.; Gil Munoz, M.; Carbajo Mateo, T. (TRANSPLANTATION PROCEEDINGS, 2019)