Imaging types of double-column die-punch fracture of the distal radius: fracture classification and mechanical mechanism  
Xi Bin, Yang Ying, Li Dong-cheng, Ding Yan-ping, Yin Qu-dong
Chinese Journal of Tissue Engineering Research . 2018, (27): 4405 -4409 .  DOI: 10.3969/j.issn.2095-4344.0358