title: Letter: Motor innervation of myasthenic muscles related to age.
mesh_terms: D000328:Adult; D000367:Age Factors; D001369:Axons / Q000502:physiology; D006801:Humans; D008875:Middle Aged; D009068:Movement; D009132:Muscles / Q000294:innervation*; D009157:Myasthenia Gravis / Q000503:physiopathology*; D009411:Nerve Endings / Q000503:physiopathology