The Norwegian registry for spine surgery (NORspine): cohort profile.Published in:European Spine Journal, 2023, v. 32, n. 11, p. 3713, doi. 10.1007/s00586-023-07929-5By:Mikkelsen, Eirik;Ingebrigtsen, Tor;Thyrhaug, Anette M.;Olsen, Lena Ringstad;Nygaard, Øystein P.;Austevoll, Ivar;Brox, Jens Ivar;Hellum, Christian;Kolstad, Frode;Lønne, Greger;Solberg, Tore K.Publication type:Article