2Ekbom K, Lindgren L,Nilsson BY,et al.Retro-Gasserian glycerol in jection in the treatment of chronic cluster headache[J].Cephalagia,1987,7:21-2 7.
3Forgan L.Treatment of cluster headache:a double blind comparison of oxyen vs air inhalation[J].Arch Neurol,1985,42:362-363.
4Goadsby PJ,Edvinsson L.Peripheral and central trigeminovascular acti vation in catis blocked by serotonin(5-HT)-1D receptor agonist 311C90[J].Hea dache,1994,34:394-399.
