We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRetroperitoneal Leiomyosarcoma Associated with an Elevated β-HCG Serum Level Mimicking Extragonadal Germ Cell TumorAuthorsFroehner, Michael; Gaertner, Hans-Juergen; Manseck, Andreas; Oehlschlaeger, Sven; Wirth, Manfred P.PublicationSarcoma, 2000, Vol 4, Issue 4, p179ISSN1357-714xPublication typearticleDOI10.1155/2000/501959