Surgery versus prolonged conservative treatment for sciatica: 5-year results of a randomised controlled trial
Michiel B Lequin, Dagmar Verbaan, Wilco C H Jacobs, Ronald Brand, Gerrit J Bouma, William P Vandertop, Wilco C Peul
BMJ Open Jan 2013, 3 (5) e002534; DOI: 10.1136/bmjopen-2012-002534