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Candy JM, Gascoigne AD, Biggins JA, Smith AI, Perry RH, Perry EK, McDermott JR, Edwardson JA.Candy JM, et al. Among authors: perry rh, perry ek.J Neurol Sci. 1985 Dec;71(2-3):315-23. doi: 10.1016/0022-510x(85)90070-x.J Neurol Sci. 1985.PMID: 2868073
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Biggins JA, Perry EK, McDermott JR, Smith AI, Perry RH, Edwardson JA.Biggins JA, et al. Among authors: perry ek, perry rh.J Neurol Sci. 1983 Jan;58(1):117-22. doi: 10.1016/0022-510x(83)90114-4.J Neurol Sci. 1983.PMID: 6405015
Cheng AV, Ferrier IN, Morris CM, Jabeen S, Sahgal A, McKeith IG, Edwardson JA, Perry RH, Perry EK.Cheng AV, et al. Among authors: perry rh, perry ek.J Neurol Sci. 1991 Nov;106(1):50-5. doi: 10.1016/0022-510x(91)90193-b.J Neurol Sci. 1991.PMID: 1779239