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O'Shea RD, Marley PD, Mercer LD, Beart PM.O'Shea RD, et al. Among authors: beart pm.J Auton Nerv Syst. 1992 Aug;40(1):71-85. doi: 10.1016/0165-1838(92)90227-8.J Auton Nerv Syst. 1992.PMID: 1357022