GRAHAM, M V BILATERAL SYMMETRICAL SECTORAL PIGMENTARY LESION OF THE RETINA. [electronic resource] - The British journal of ophthalmology Nov 1963 - 682-6 p. digital Publication Type: Journal Article ISSN: 0007-1161 Standard No.: 10.1136/bjo.47.11.682 doi Subjects--Topical Terms: Adaptation, OcularDiagnosis, DifferentialElectroretinographyFundus OculiGenetics, MedicalHumansRetinaRetinitis PigmentosaVision TestsVision, OcularVisual Fields