Petersen, E Third degree atrioventricular block, chronic progressive external ophthalmoplegia and pigmentary degeneration of retina. Case report and survey of the literature. [electronic resource] - Acta medica Scandinavica 1978 - 39-42 p. digital Publication Type: Case Reports; Journal Article ISSN: 0001-6101 Standard No.: 10.1111/j.0954-6820.1978.tb14828.x doi Subjects--Topical Terms: AdultChronic DiseaseElectrocardiographyFemaleHeart Block--complicationsHumansOphthalmoplegia--complicationsPacemaker, ArtificialPigment Epithelium of Eye--pathologyRetinal Degeneration--complications