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van Beurden I, Anderson P, Akkermans RP, Grol RP, Wensing M, Laurant MG.van Beurden I, et al. Among authors: akkermans rp.Addiction. 2012 Sep;107(9):1601-11. doi: 10.1111/j.1360-0443.2012.03868.x. Epub 2012 May 8.Addiction. 2012.PMID: 22372573Clinical Trial.
Thoonen BP, Schermer TR, Akkermans RP, den Otter JJ, Grol R, van Schayck OC.Thoonen BP, et al. Among authors: akkermans rp.Scand J Prim Health Care. 2002 Mar;20(1):60-4. doi: 10.1080/028134302317282770.Scand J Prim Health Care. 2002.PMID: 12086288Free article.
Schermer TR, Thoonen BP, van den Boom G, Akkermans RP, Grol RP, Folgering HT, van Weel C, van Schayck CP.Schermer TR, et al. Among authors: akkermans rp.Am J Respir Crit Care Med. 2002 Oct 15;166(8):1062-72. doi: 10.1164/rccm.2105116.Am J Respir Crit Care Med. 2002.PMID: 12379549Clinical Trial.
Frijling BD, Lobo CM, Hulscher ME, Akkermans RP, van Drenth BB, Prins A, van der Wouden JC, Grol RP.Frijling BD, et al. Among authors: akkermans rp.Qual Saf Health Care. 2003 Jun;12(3):181-7. doi: 10.1136/qhc.12.3.181.Qual Saf Health Care. 2003.PMID: 12792007Free PMC article.Clinical Trial.
Jacobs JE, Maillé AR, Akkermans RP, van Weel C, Grol RP.Jacobs JE, et al. Among authors: akkermans rp.Qual Life Res. 2004 Aug;13(6):1117-27. doi: 10.1023/B:QURE.0000031338.88928.e9.Qual Life Res. 2004.PMID: 15287278
Dijkstra RF, Braspenning JC, Huijsmans Z, Akkermans RP, van Ballegooie E, ten Have P, Casparie T, Grol RP.Dijkstra RF, et al. Among authors: akkermans rp.Diabetes Res Clin Pract. 2005 May;68(2):126-34. doi: 10.1016/j.diabres.2004.09.020. Epub 2005 Jan 11.Diabetes Res Clin Pract. 2005.PMID: 15860240Clinical Trial.
Wensing M, van den Hombergh P, Akkermans R, van Doremalen J, Grol R.Wensing M, et al.Health Policy. 2006 Aug;77(3):260-7. doi: 10.1016/j.healthpol.2005.07.010. Epub 2005 Aug 29.Health Policy. 2006.PMID: 16129508