Owen, J E L Sympathetically maintained pain of the digits in porphyria cutanea tarda relieved by i.v. regional guanethidine. [electronic resource] - Pain Jan 1991 - 79-80 p. digital Publication Type: Case Reports; Journal Article ISSN: 0304-3959 Standard No.: 10.1016/0304-3959(91)90151-M doi Subjects--Topical Terms: AdultFingersGuanethidine--administration & dosageHumansInjections, IntravenousMaleOccupational Diseases--drug therapyPain--drug therapyPorphyrias--complicationsPorphyrins--urineSympathetic Nervous System--physiology