Transcerivical needle biopsy for the differential diagnosis between uterine sarcoma and leiomyoma. - Kawamura,N.; Ichimura,T.; Ito,F.; Shibata,S.; Takahashi,K.; Tsujimura,A.; Ishiko,O.; Haba,T.; Wakasa,K.; Ogita,S. (Cancer, 2002)