The investigation of polymorphic light eruption in identical twins.
D000328:Adult; D002980:Climate; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D010787:Photosensitivity Disorders / Q000175:diagnosis / Q000235:genetics*; D011110:Polymorphism, Genetic; D012621:Seasons; D012882:Skin Tests; D014466:Ultraviolet Rays