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Leone M, Rocca WA, Rosso MG, Mantel N, Schoenberg BS, Schiffer D.Leone M, et al. Among authors: rocca wa.Neurology. 1988 Sep;38(9):1433-8. doi: 10.1212/wnl.38.9.1433.Neurology. 1988.PMID: 3412592