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Ammann P, Maggiorini M, Bertel O, Haenseler E, Joller-Jemelka HI, Oechslin E, Minder EI, Rickli H, Fehr T.Ammann P, et al. Among authors: fehr t.J Am Coll Cardiol. 2003 Jun 4;41(11):2004-9. doi: 10.1016/s0735-1097(03)00421-2.J Am Coll Cardiol. 2003.PMID: 12798573Free article.