Tian Liu Jun Zhou K. Sunshine Osterman Pengpeng Zhang Shermian A. Woodhouse Peter B. Schiff Gerald J. Kutcher Measurements of Radiation-Induced Skin Changes in Breast-Cancer Radiation Therapy Using Ultrasonic Imaging. 718-722 2008 BMEI (2) http://doi.ieeecomputersociety.org/10.1109/BMEI.2008.224 conf/bmei/2008-2 db/conf/bmei/bmei2008-2.html#LiuZOZWSK08