title: A study of human radiation sensing and dark adaptometry using X-rays.
mesh_terms: D000221:Adaptation, Ocular; D000328:Adult; D003624:Darkness; D006801:Humans; D008297:Male; D010465:Perception; D011827:Radiation; D011859:Radiography; D012886:Skull / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic