Development and assessment of the inter-rater and intra-rater reproducibility of a self-administration version of the ALSFRS-R
Leonhard A Bakker, Carin D Schröder, Harold H G Tan, Simone M A G Vugts, Ruben P A van Eijk, Michael A van Es, Johanna M A Visser-Meily, Leonard H van den Berg
Journal of Neurology, Neurosurgery & Psychiatry Jan 2020, 91 (1) 75-81; DOI: 10.1136/jnnp-2019-321138