title: Answer to the Letter to the Editor of Ming Yang et al. concerning "Risk factors of new symptomatic vertebral compression fractures in osteoporotic patients undergone percutaneous vertebroplasty" by Ren HL et al. (2015) Eur Spine J;24(4):750-758.
authors.affiliation: Department of Spine Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou, 510515, China. renhlspine@126.com.
authors.forename: Hai-Long
authors.initials: HL
authors.lastname: Ren
mesh_terms: D050815:Fractures, Compression; D006801:Humans; D058866:Osteoporotic Fractures; D012307:Risk Factors; D016103:Spinal Fractures; D013131:Spine; D054854:Vertebroplasty