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van der Schaaf M, Vermeulen H, Storm-Versloot MN, Goossens A, Simons R, Eijsman L.van der Schaaf M, et al. Among authors: vermeulen h.Appl Nurs Res. 2004 Feb;17(1):48-54. doi: 10.1016/j.apnr.2003.10.005.Appl Nurs Res. 2004.PMID: 14991555Clinical Trial.