TY - JOUR T1 - Prof. Artur Beltrame Ribeiro: a life devoted to making new friends until the very end JO - Brazilian Journal of Nephrology A1 - Pestana, José Medina A1 - Requião-Moura, Lúcio SN - 0101-2800 UL - 10.1590/2175-8239-JBN-2026-IM01en VL - 48 Y1 - 2026 PB - Brasil ER -