Determination of viremia cut-off for risk to develop BKPyV-associated nephropathy among kidney transplant recipients - Bicalho, Camila Silva; Oliveira, Renato dos Reis; David, Daísa Ribeiro; Fink, Maria Cristina Domingues da Silva; Agena, Fabiana; Castro, Maria Cristina; Pannuti, Cláudio Sérgio; David Neto, Elias; Pierrotti, Lígia Camera (Transplant infectious disease, 2018)