title: Pathogenesis of myotonia.
mesh_terms: D001826:Body Fluids; D006801:Humans; D009119:Muscle Contraction; D009132:Muscles / Q000378:metabolism; D009222:Myotonia / Q000209:etiology* / Q000378:metabolism; D010245:Paralyses, Familial Periodic / Q000209:etiology; D011188:Potassium / Q000009:adverse effects
chemical_list: D011188:Potassium