title: Answer to the Letter to the Editor of C. Mehren et al. entitled "Technical Innovation?" Letter to the Editor regarding the article "Mini-open lateral retroperitoneal lumbar spine approach using psoas muscle retraction technique. Technical report and initial results on six patients" (by K. Aghayev and F. D. Vrionis: Eur Spine J, 2013. 22(9): p. 2113-9).
authors.affiliation: Department of Neuro-Oncology, H. Lee Moffitt Cancer Center and Research Institute, University of South Florida, 12902, Magnolia Drive, Tampa, FL, USA, kamranag@gmail.com.
authors.forename: Kamran
authors.initials: K
authors.lastname: Aghayev
authors.forename: Frank
authors.initials: F
authors.lastname: Vrionis
mesh_terms: D005260:Female; D006801:Humans; D017116:Low Back Pain / Q000601:surgery*; D008159:Lumbar Vertebrae / Q000601:surgery*; D008297:Male; D016658:Psoas Muscles / Q000601:surgery*; D011843:Radiculopathy / Q000601:surgery*; D012187:Retroperitoneal Space / Q000601:surgery*; D013123:Spinal Fusion / Q000379:methods*