Burghardt E, Winter R, Tamussino K, Pickel H, Lahousen M, Haas J, Girardi F, Ebner F, Hackl A, Pfister H
Department of Obstetrics and Gynecology, University of Graz, Austria.
Crit Rev Oncol Hematol. 1994 Dec;17(3):181-231. doi: 10.1016/1040-8428(94)90054-x.