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Elia M, Musumeci SA, Ferri R, Bergonzi P.Elia M, et al. Among authors: ferri r.Am J Ment Retard. 1995 Jul;100(1):6-16.Am J Ment Retard. 1995.PMID: 7546638
Musumeci SA, Elia M, Ferri R, Scuderi C, Del Gracco S.Musumeci SA, et al. Among authors: ferri r.Ital J Neurol Sci. 1994 Oct;15(7):365-8. doi: 10.1007/BF02339934.Ital J Neurol Sci. 1994.PMID: 7698895
Ferri R, Del Gracco S, Elia M, Musumeci SA, Spada R, Stefanini MC.Ferri R, et al.Neurophysiol Clin. 1996;26(5):311-9. doi: 10.1016/S0987-7053(97)85098-8.Neurophysiol Clin. 1996.PMID: 8987047
Musumeci SA, Ferri R, Elia M, Scuderi C, Del Gracco S, Azan G, Stefanini MC.Musumeci SA, et al. Among authors: ferri r.Arch Neurol. 1997 Jan;54(1):61-4. doi: 10.1001/archneur.1997.00550130045014.Arch Neurol. 1997.PMID: 9006415