Clinical impact of PSMA PET/CT in primary prostate cancer compared to conventional nodal and distant staging: a retrospective single center study oleh Maarten L. Donswijk, Pim J. van Leeuwen, Erik Vegt, Zing Cheung, Stijn W. T. P. J. Heijmink, Henk G. van der Poel, Marcel P. M. Stokkel