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Gadler F, Linde C, Juhlin-Dannfelt A, Ribeiro A, Rydén L.Gadler F, et al.Eur Heart J. 1997 Apr;18(4):636-42. doi: 10.1093/oxfordjournals.eurheartj.a015309.Eur Heart J. 1997.PMID: 9129895