Sigmundsson, F. G., Kang, X. P., Jönsson, B., & Strömqvist, B. (2012). Prognostic factors in lumbar spinal stenosis surgery: A prospective study of imaging- and patient-related factors in 109 patients who were operated on by decompression. Informa Healthcare.

Sigmundsson, Freyr G., Xiao P. Kang, Bo Jönsson, and Björn Strömqvist. Prognostic Factors in Lumbar Spinal Stenosis Surgery: A Prospective Study of Imaging- and Patient-related Factors in 109 Patients Who Were Operated On By Decompression. Informa Healthcare, 2012.

Sigmundsson, Freyr G., Xiao P. Kang, Bo Jönsson, and Björn Strömqvist. Prognostic Factors in Lumbar Spinal Stenosis Surgery: A Prospective Study of Imaging- and Patient-related Factors in 109 Patients Who Were Operated On By Decompression. Informa Healthcare, 2012.