Developed in 1982
Appel V; Stewart SS; Smith G; Appel SH
Amyotrophic Lateral Sclerosis
Appel V, Stewart SS, Smith G, Appel SH. A rating scale for amyotrophic lateral sclerosis: description and preliminary experience. Ann Neurol. 1987 Sep;22(3):328-33 (PubMed Abstract)
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