Diagnostic laparoscopy and abdominal cytology detect peritoneal metastases in patients with urachal adenocarcinoma oleh L.E. Stokkel, A.M. Mehta, M.A. Behrendt, J. De Jong, K. Hendricksen, A.G. Aalbers, N.F. Kok, W. Meinhardt, L.S. Mertens, B.W. Van Rhijn