title: Aetiology of some essential muscular cramps.
mesh_terms: D000293:Adolescent; D004576:Electromyography; D005260:Female; D006801:Humans; D009120:Muscle Cramp / Q000145:classification* / Q000209:etiology; D009132:Muscles / Q000503:physiopathology; D013746:Tetany / Q000503:physiopathology