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Schwartz JB, Taylor A, Abernethy D, O'Meara M, Farmer J, Young J, Nelson E, Pool J, Mitchell JR.Schwartz JB, et al.J Cardiovasc Pharmacol. 1985 Jul-Aug;7(4):767-76. doi: 10.1097/00005344-198507000-00023.J Cardiovasc Pharmacol. 1985.PMID: 2410720Clinical Trial.