Yang, S.-C., C.-Y. Yu, C.-J. Lin, H.-Y. Lin, and C.-Y. Lin. “Reconstruction of Three-Dimensional Breast-Tumor Model Using Multispectral Gradient Vector Flow Snake Method”. Journal of Applied Research and Technology, Vol. 13, no. 2, Apr. 2015, doi:10.1016/j.jart.2015.06.014.