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Sigurdsson A, Held P, Swedberg K.Sigurdsson A, et al. Among authors: held p.Am Heart J. 1993 Nov;126(5):1068-76. doi: 10.1016/0002-8703(93)90656-t.Am Heart J. 1993.PMID: 8237747
Sigurdsson A, Held P, Andersson G, Swedberg K.Sigurdsson A, et al. Among authors: held p.Int J Cardiol. 1991 Oct;33(1):115-24. doi: 10.1016/0167-5273(91)90159-m.Int J Cardiol. 1991.PMID: 1657799Clinical Trial.
Sigurdsson A, Held P, Swedberg K, Wall B.Sigurdsson A, et al. Among authors: held p.Eur Heart J. 1993 Aug;14(8):1110-7. doi: 10.1093/eurheartj/14.8.1110.Eur Heart J. 1993.PMID: 8404942Clinical Trial.
Held PH, Hjalmarson A, Rydén L, Swedberg K.Held PH, et al.Eur Heart J. 1986 Nov;7(11):937-44. doi: 10.1093/oxfordjournals.eurheartj.a061998.Eur Heart J. 1986.PMID: 3539618Clinical Trial.
Held PH, Corbeij HM, Dunselman P, Hjalmarson A, Murray D, Swedberg K.Held PH, et al.Eur Heart J. 1986 Jun;7(6):475-81. doi: 10.1093/oxfordjournals.eurheartj.a062094.Eur Heart J. 1986.PMID: 3732297
Held P, Rosenqvist M, Rydén L, Swedberg K.Held P, et al.Lakartidningen. 1992 Aug 26;89(35):2755-8.Lakartidningen. 1992.PMID: 1405866Swedish.No abstract available.
Swedberg K, Held P, Wadenvik H, Kutti J.Swedberg K, et al. Among authors: held p.Eur Heart J. 1987 Apr;8(4):362-8. doi: 10.1093/oxfordjournals.eurheartj.a062287.Eur Heart J. 1987.PMID: 2440682