TY - JOUR T1 - Persistent severe hypokalemia: Gitelman syndrome and differential diagnosis JO - Brazilian Journal of Nephrology A1 - Molin, Christine Zomer Dal A1 - Trevisol, Daisson José SN - 0101-2800 UL - 10.5935/0101-2800.20170058 VL - 39 Y1 - 2017 PB - Brasil ER -