1. The origin of muscle fasciculations and cramps;Layzer;Muscle Nerve,1994
2. Diagnosis and differential diagnosis of muscle cramps: a clinical approach;Jansen;J Clin Neuromuscul Dis,2002
3. Muscle cramp: main theories as to etiology;Jansen;Eur Arch Psychiatry Neurol Sci,1990
4. Muscle cramps;Miller;Muscle Nerve,2005
5. Nocturnal leg cramps in children: incidence and clinical characteristics;Leung;JAMA,1999