Febrer A, Rodriguez N, Alias L, Tizzano E. Measurement of muscle strength with a handheld dynamometer in patients with chronic spinal muscular atrophy. JRM [Internet]. 2010 Jan. 19 [cited 2024 Nov. 22];42(3):228-31. Available from: https://medicaljournalssweden.se/jrm/article/view/17806