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Nonoperative or Surgical Treatment of Acute Achilles' Tendon Rupture.
Myhrvold SB, Brouwer EF, Andresen TKM, Rydevik K, Amundsen M, Grün W, Butt F, Valberg M, Ulstein S, Hoelsbrekken SE. Myhrvold SB, et al. Among authors: ulstein s. N Engl J Med. 2022 Apr 14;386(15):1409-1420. doi: 10.1056/NEJMoa2108447. N Engl J Med. 2022. PMID: 35417636 Clinical Trial.
Microfracture technique versus osteochondral autologous transplantation mosaicplasty in patients with articular chondral lesions of the knee: a prospective randomized trial with long-term follow-up.
Ulstein S, Årøen A, Røtterud JH, Løken S, Engebretsen L, Heir S. Ulstein S, et al. Knee Surg Sports Traumatol Arthrosc. 2014 Jun;22(6):1207-15. doi: 10.1007/s00167-014-2843-6. Epub 2014 Jan 21. Knee Surg Sports Traumatol Arthrosc. 2014. PMID: 24441734 Free PMC article. Clinical Trial.
A Controlled Comparison of Microfracture, Debridement, and No Treatment of Concomitant Full-Thickness Cartilage Lesions in Anterior Cruciate Ligament-Reconstructed Knees: A Nationwide Prospective Cohort Study From Norway and Sweden of 368 Patients With 5-Year Follow-up.
Ulstein S, Årøen A, Engebretsen L, Forssblad M, Lygre SHL, Røtterud JH. Ulstein S, et al. Orthop J Sports Med. 2018 Aug 1;6(8):2325967118787767. doi: 10.1177/2325967118787767. eCollection 2018 Aug. Orthop J Sports Med. 2018. PMID: 30083564 Free PMC article.
Effect of Concomitant Cartilage Lesions on Patient-Reported Outcomes After Anterior Cruciate Ligament Reconstruction: A Nationwide Cohort Study From Norway and Sweden of 8470 Patients With 5-Year Follow-up.
Ulstein S, Årøen A, Engebretsen L, Forssblad M, Lygre SHL, Røtterud JH. Ulstein S, et al. Orthop J Sports Med. 2018 Jul 24;6(7):2325967118786219. doi: 10.1177/2325967118786219. eCollection 2018 Jul. Orthop J Sports Med. 2018. PMID: 30057926 Free PMC article.