略語大辞典 [Med] 11 FFI fatal familial insomnia 致死性家族性不眠症. 病名.fatal familial insomnia; an abnormal wakefulness; a disorder; a subacute condition with untreatable insomnia, dysautonomia, and severe selective atrophy of thalmic nuclei; [Med]. 丸善「略語大辞典」JLogosID : 11874818