High pre- and postoperative symptom burden in non-responders to total knee arthroplasty Lindberg, Maren Falch ; Schweitz, Turid Undebakke ; Aamodt, Arild ; Gay, Caryl ; Lerdal, Anners Abstract Publication: PLoS ONE Pub Date: May 2020 DOI: 10.1371/journal.pone.0233347 Bibcode: 2020PLoSO..1533347L