APA

Helgeson M. D., Kang D. G., Lehman R. A., Dmitriev A. E. & Luhmann S. J. (20140320). Tapping insertional torque allows prediction for better pedicle screw fixation and optimal screw size selection. : The spine journal : official journal of the North American Spine Society.

Chicago

Helgeson Melvin D, Kang Daniel G, Lehman Ronald A, Dmitriev Anton E and Luhmann Scott J. 20140320. Tapping insertional torque allows prediction for better pedicle screw fixation and optimal screw size selection. : The spine journal : official journal of the North American Spine Society.

Harvard

Helgeson M. D., Kang D. G., Lehman R. A., Dmitriev A. E. and Luhmann S. J. (20140320). Tapping insertional torque allows prediction for better pedicle screw fixation and optimal screw size selection. : The spine journal : official journal of the North American Spine Society.

MLA

Helgeson Melvin D, Kang Daniel G, Lehman Ronald A, Dmitriev Anton E and Luhmann Scott J. Tapping insertional torque allows prediction for better pedicle screw fixation and optimal screw size selection. : The spine journal : official journal of the North American Spine Society. 20140320.