title: Accuracy of "free-hand technique" for instrumentation of thoracolumbar spine.
authors: Tobias Alécio
authors: TA
authors: Mattei
authors: Jeronimo Buzetti
authors: JB
authors: Milano
mesh_terms: D001863:Bone Screws; D005260:Female; D006801:Humans; D008297:Male; D019637:Orthopedic Procedures / Q000379:methods*; D013123:Spinal Fusion / Q000379:methods*