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Valocik G, Kamp O, Visser CA.Valocik G, et al. Among authors: kamp o.Eur J Echocardiogr. 2005 Dec;6(6):443-54. doi: 10.1016/j.euje.2005.02.007.Eur J Echocardiogr. 2005.PMID: 16293531Review.
Valocik G, Kamp O, Visser CA, Rybár R, Pundová L, Trejbal D.Valocik G, et al. Among authors: kamp o.Vnitr Lek. 2001 Nov;47(11):763-7.Vnitr Lek. 2001.PMID: 11795182Slovak.
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Mannaerts HF, van der Heide JA, Kamp O, Stoel MG, Twisk J, Visser CA.Mannaerts HF, et al. Among authors: kamp o.Eur Heart J. 2004 Apr;25(8):680-7. doi: 10.1016/j.ehj.2004.02.030.Eur Heart J. 2004.PMID: 15084373
Mannaerts HF, Kamp O, Visser CA.Mannaerts HF, et al. Among authors: kamp o.Eur Heart J. 2004 Dec;25(23):2073-4. doi: 10.1016/j.ehj.2004.10.001.Eur Heart J. 2004.PMID: 15571820No abstract available.
Valocik G, Allaart CP, Kamp O.Valocik G, et al. Among authors: kamp o.J Am Soc Echocardiogr. 1998 Jun;11(6):673-6. doi: 10.1016/s0894-7317(98)70045-8.J Am Soc Echocardiogr. 1998.PMID: 9657408