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Jaarsma W, Visser CA, Suttorp MJ, Haagen FD, Ernst SM.Jaarsma W, et al.J Am Soc Echocardiogr. 1990 Sep-Oct;3(5):384-91. doi: 10.1016/s0894-7317(14)80138-7.J Am Soc Echocardiogr. 1990.PMID: 2245031
Visser CA, Res J, Jaarsma W.Visser CA, et al. Among authors: jaarsma w.Echocardiography. 1992 Mar;9(2):211-8. doi: 10.1111/j.1540-8175.1992.tb00459.x.Echocardiography. 1992.PMID: 10149885
Peels KH, Visser CA, Dambrink JH, Jaarsma W, Wielenga RP, Kamp O, Kingma JH, van Glist WH.Peels KH, et al. Among authors: jaarsma w.Am J Cardiol. 1996 Jun 1;77(14):1149-54. doi: 10.1016/s0002-9149(96)00153-1.Am J Cardiol. 1996.PMID: 8651086