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Moe GW, Canepa-Anson R, Howard RJ, Armstrong PW.Moe GW, et al. Among authors: howard rj.J Am Coll Cardiol. 1990 Sep;16(3):599-606. doi: 10.1016/0735-1097(90)90349-t.J Am Coll Cardiol. 1990.PMID: 2143766Free article.