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Kok G, Schaalma H, Ruiter RA, van Empelen P, Brug J.Kok G, et al.J Health Psychol. 2004 Jan;9(1):85-98. doi: 10.1177/1359105304038379.J Health Psychol. 2004.PMID: 14683571
Kools M, Ruiter RA, van de Wiel MW, Kok G.Kools M, et al.Health Educ Behav. 2004 Dec;31(6):720-40. doi: 10.1177/1090198104263340.Health Educ Behav. 2004.PMID: 15539544
Kools M, van de Wiel MW, Ruiter RA, Kok G.Kools M, et al.Patient Educ Couns. 2006 Dec;64(1-3):104-11. doi: 10.1016/j.pec.2005.12.003. Epub 2006 Feb 10.Patient Educ Couns. 2006.PMID: 16472960Clinical Trial.
Kools M, van de Wiel MW, Ruiter RA, Crüts A, Kok G.Kools M, et al.Health Educ Behav. 2006 Dec;33(6):760-72. doi: 10.1177/1090198106288950. Epub 2006 Sep 26.Health Educ Behav. 2006.PMID: 17003246Clinical Trial.
Kools M, Ruiter RA, van de Wiel MW, Kok G.Kools M, et al.Br J Health Psychol. 2007 Nov;12(Pt 4):525-41. doi: 10.1348/135910706X132930.Br J Health Psychol. 2007.PMID: 17931471Clinical Trial.