1[2]Shimamoto K, Sakuma S, Ishigaki T, et al. Intratumoral blood flow evaluation with color Doppler echography. Radiology, 1987, 165: 683685
2[3]Long MG, Boultbee JE, Begnt RHJ, et al. Preliminary Doppler studies on the uterine artery and myometrium in trophoblastic tumours requiring chemotherapy. Br J Obstet Gynecol, 1990, 97:686-688