Adams and Victor's Principles of Neurology (8th ed.). pp. 1277–1278. ↑ "Benign Fasciculation Syndrome (BFS) Constant Muscle Twitching". Retrieved 4 October 2014. ↑ Mitsikostas, D. D.; Karandreas, N.; Coutsopetras, P.; Piperos, P.; Lygidakis, C.; Papageorgiou, C.