APA

Seitsalo S., Schlenzka D., Poussa M. & Osterman K. (19980316). Disc degeneration in young patients with isthmic spondylolisthesis treated operatively or conservatively: a long-term follow-up. : 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

Seitsalo S, Schlenzka D, Poussa M and Osterman K. 19980316. Disc degeneration in young patients with isthmic spondylolisthesis treated operatively or conservatively: a long-term follow-up. : 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

Seitsalo S., Schlenzka D., Poussa M. and Osterman K. (19980316). Disc degeneration in young patients with isthmic spondylolisthesis treated operatively or conservatively: a long-term follow-up. : 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

Seitsalo S, Schlenzka D, Poussa M and Osterman K. Disc degeneration in young patients with isthmic spondylolisthesis treated operatively or conservatively: a long-term follow-up. : 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. 19980316.