Internal fixation, external fixation and conservative treatment for unstable pelvic fractures: callus growth and fracture healing rate  
Liu Guo-xiong, Xiao Liu-bin, Li Peng-fei, Ma Han-fei, Lian Yin-chuan, Wang Qing-hua, Wu Yuan-cheng
Chinese Journal of Tissue Engineering Research . 2015, (35): 5646 -5651 .  DOI: 10.3969/j.issn.2095-4344.2015.35.014