SP480MAGNESIUM KINETICS DURING HEMODIALYSIS: AN OPPORTUNITY TO OPTIMIZE MAGNESIUM IN DIALYSATE. (18th May 2018) - Maheshwari, Vaibhav; Kotanko, Peter; Thijssen, Stephan; Fuertinger, Doris; Kooman, Jeroen; Hendriks, Floris; van der Sande, Frank