Microvascular invasion of testicular nonseminomatous germ cell tumors: implications of separate evaluation of lymphatic and blood vessels - Heinzelbecker, Julia; Groß-Weege, Matthias; Weiß, Christel; Hörner, Christian; Trunk, Marcus; Erben, Philipp; Häcker, Axel; Bolenz, Christian (The journal of urology, 2014)