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Click RL, Holmes DR Jr, Vlietstra RE, Kosinski AS, Kronmal RA.Click RL, et al. Among authors: kronmal ra.J Am Coll Cardiol. 1989 Mar 1;13(3):531-7. doi: 10.1016/0735-1097(89)90588-3.J Am Coll Cardiol. 1989.PMID: 2918156Free article.