title: Ultrastructural study of the muscle in case of atypical hypertrophic myotonia.
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D006984:Hypertrophy; D008854:Microscopy, Electron; D009132:Muscles / Q000648:ultrastructure*; D009222:Myotonia / Q000473:pathology*