Alexandre A, Masini M, Menchetti PPM (eds.): Advances in Minimally Invasive Surgery and Therapy for Spine and Nerves. Acta Neurochirurgica Supplement, volume 108; Springer, Vienna; pp. 85-95; ISBN 978-3-211-99369-9
2011,
Choi WJ, Hwang SJ, Song JG, Leem JG, Kang YU, Park PH, Shin JW