Treatment and outcome of fibroepithelial ureteral polyps: A systematic literature review von Ludwig, Dina J, Buddingh, Karel T, Kums, Jan J M, Kropman, René F, Roshani, Hossain, Hirdes, Willem H

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Do antibiotics decrease prostate-specific antigen levels and reduce the need for prostate biopsy in type IV prostatitis? A systematic literature review von Buddingh, Karel T, Maatje, Marlies G F, Putter, Hein, Kropman, René F, Pelger, Rob C M

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Interview with Oswalt Kolle (1928–2010): German Sex Education Pioneer von Kropman, René F., Waldinger, Marcel D., Schultheiss, Dirk

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Comparative tolerability and efficacy of treatments for impotence von MEINHARDT, W, KROPMAN, R. F, VERMEIJ, P

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