On the origin of germ cell neoplasia in situ: Dedifferentiation of human adult Sertoli cells in cross talk with seminoma cells in vitro oleh Cornelia Fink, Nelli Baal, Jochen Wilhelm, Poonam Sarode, Roswitha Weigel, Valérie Schumacher, Daniel Nettersheim, Hubert Schorle, Carmen Schröck, Martin Bergmann, Sabine Kliesch, Monika Kressin, Rajkumar Savai