Ultrasound imaging—2000: assessment of utero-ovarian blood flow with transvaginal color Doppler sonography; potential clinical applications in infertility**The Herbert C. Thomas, M.D., Ortho Lecture, Presented at the 46th Annual Meeting of The American Fertility Society, Washington, D.C., October 13 to 18, 1990.Fleischer, Arthur C. · Fertility and Sterility · 1991