An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Bussone G, Salmaggi A, Leone M, Valentini S, Dufour A, Nespolo A.Bussone G, et al. Among authors: leone m.Cephalalgia. 1992 Aug;12(4):250-3. doi: 10.1046/j.1468-2982.1992.1204250.x.Cephalalgia. 1992.PMID: 1388094
Bussone G, Leone M, Dalla Volta G, Strada L, Gasparotti R, Di Monda V.Bussone G, et al. Among authors: leone m.Cephalalgia. 1991 Jul;11(3):123-7. doi: 10.1046/j.1468-2982.1991.1103123.x.Cephalalgia. 1991.PMID: 1889067
Leone M, Grazzi L, La Mantia L, Bussone G.Leone M, et al.Headache. 1991 Jun;31(6):388-91. doi: 10.1111/j.1526-4610.1991.hed3106388.x.Headache. 1991.PMID: 1889980Review.