Contribution to the translation and reliability analysis of the Self-Administered Amyotrophic Lateral Sclerosis Functional Rating Scale - Revised, for European Portuguese: European Portuguese Translation and validation of the Self-Administered ALSFRS- R. J Stat Health Decis [Internet]. 2023 Apr. 28 [cited 2026 Feb. 13];5(1):e28483. Available from: https://proa.ua.pt/index.php/jshd/article/view/28483