6Devore GR,Polanko B. Tomographic ultrasound imaging of the fetal heart:a new technique for identifying normal and abnormal cardiac anatomy. J Ultrasound Med,2005,24(12):1685-1696.
7Paladini D,Vassallo M, Sglavo G, et al. The role of spatio-tem poral image correlation (STIC) with tomographic ultrasound imaging (TUI) in the sequential analysis of fetal congenital heart disease. Ultrasound Obstet Gynecol, 2006,27 (5) : 555-561.