Nyberg A, Saey D, Martin M, Maltais F. Test–re-test reliability of quadriceps muscle strength measures in people with more severe chronic obstructive pulmonary disease. JRM [Internet]. 2018 Jul. 2 [cited 2026 May 21];50(8):759-64. Available from: https://medicaljournalssweden.se/jrm/article/view/12576