Cyclooxygenase-2 expression in malignant mesenchymal tumors and related uterine lesions. - Matsumoto,Y.; Ishiko,O.; Sumi,T.; Yoshida,H.; Deguchi,M.; Nakagawa,E.; Haba,T.; Wakasa,K.; Ogita,S.; Ando,Y. (Oncol Rep, 2001)