APA

Hägg O., Fritzell P., Ekselius L. & Nordwall A. (20030509). Predictors of outcome in fusion surgery for chronic low back pain. A report from the Swedish Lumbar Spine Study. : European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society.

Chicago

Hägg O, Fritzell P, Ekselius L and Nordwall A. 20030509. Predictors of outcome in fusion surgery for chronic low back pain. A report from the Swedish Lumbar Spine Study. : European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society.

Harvard

Hägg O., Fritzell P., Ekselius L. and Nordwall A. (20030509). Predictors of outcome in fusion surgery for chronic low back pain. A report from the Swedish Lumbar Spine Study. : European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society.

MLA

Hägg O, Fritzell P, Ekselius L and Nordwall A. Predictors of outcome in fusion surgery for chronic low back pain. A report from the Swedish Lumbar Spine Study. : European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society. 20030509.