Optimized procedures for testing plasma metanephrines in patients on hemodialysis oleh Christina Pamporaki, Aleksander Prejbisz, Robert Małecki, Frank Pistrosch, Mirko Peitzsch, Steffen Bishoff, Petra Mueller, Iris Meyer, Doreen Reimann, Katarzyna Hanus, Andrzej Januszewicz, Stefan R. Bornstein, Simon Parmentier, Carola Kunath, Jacques W. M. Lenders, Graeme Eisenhofer, Jens Passauer