Design of the Verbiest trial: cost-effectiveness of surgery versus prolonged conservative treatment in patients with lumbar stenosis.

Overdevest, Gijsbert M   •   Luijsterburg, Pim A J   •   Brand, Ronald   •   Koes, Bart W   •   Bierma-Zeinstra, Sita M A   •   Eekhof, Just A H   •   Vleggeert-Lankamp, Carmen L A M   •   Peul, Wilco C

published in: BMC musculoskeletal disorders