ZHU Bin, YUAN Daiyue, SHAO Weibin, YAN Dongliang, HAO Qingya. Expression and significance of osteopontin (OPN) protein in gallbladder epithelium of patients with cholesterol gallstone[J]. Journal of Clinical Medicine in Practice, 2013, (17): 27-28,35. DOI: 10.7619/jcmp.201317008