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James SK, Siegbahn A, Armstrong P, Barnathan E, Califf R, Simoons ML, Wallentin L.James SK, et al. Among authors: armstrong p.Am Heart J. 2004 Feb;147(2):267-74. doi: 10.1016/j.ahj.2003.09.014.Am Heart J. 2004.PMID: 14760324Clinical Trial.
Langer A, Krucoff MW, Klootwijk P, Simoons ML, Granger CB, Barr A, Califf RM, Armstrong PW.Langer A, et al. Among authors: armstrong pw.J Am Coll Cardiol. 1998 Mar 15;31(4):783-9. doi: 10.1016/s0735-1097(97)00544-5.J Am Coll Cardiol. 1998.PMID: 9525547Free article.