1. Quantification of power Doppler energy and its future potential
Nazar N Amso, Ph.D., Sean R Watermeyer, Neil Pugh, Ph.D., Sharon O’Brien, Arianna D’Angelo, M.D. 
Fertility and Sterility 
Volume 76, Issue 3, Pages (September 2001)
DOI: /S (01)

2. Figure 1
Ultrasound color power Doppler images. Top left: transvaginal gray-scale image of endometrium. Top right: ROI drawn around endometrium. Bottom left: ROI drawn around ovarian follicle. Bottom right: ROI drawn around ovary. Center: color reference bar.
Amso. Quantification of power Doppler energy. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (01) )