Computational comparison of three posterior lumbar interbody fusion techniques by using porous titanium interbody cages with 50% porosity. - Yung-Heng Lee; Chi-Jen Chung; Chih-Wei Wang; Yao-Te Peng; Chih-Han Chang; Chih-Hsien Chen; Yen-Nien Chen; Chun-Ting Li (Comput. Biol. Medicine, 2016)