Prodromal muscle cramps predict rapid motor functional decline in amyotrophic lateral sclerosis
Kazumoto Shibuya, Sonoko Misawa, Yukari Sekiguchi, Minako Beppu, Hiroshi Amino, Tomoki Suichi, Yo-ichi Suzuki, Atsuko Tsuneyama, Satoshi Kuwabara
Journal of Neurology, Neurosurgery & Psychiatry Feb 2019, 90 (2) 242-243; DOI: 10.1136/jnnp-2018-318446