title: Case reports of two variants of chronic progressive external ophthalmoplegia.
mesh_terms: D000328:Adult; D003680:Deglutition Disorders / Q000150:complications; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000032:analysis; D009886:Ophthalmoplegia / Q000097:blood / Q000150:complications / Q000235:genetics*; D010375:Pedigree