The spatiotemporal development of intercalated disk in three-dimensional engineered heart tissues based on collagen/matrigel matrix. oleh Jin Zhou, Yao Shu, Shuang-Hong Lü, Jun-Jie Li, Hong-Yu Sun, Rong-Yu Tang, Cui-Mi Duan, Yan Wang, Qiu-Xia Lin, Yong-Chao Mou, Xia Li, Chang-Yong Wang