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Smit F, Lokkerbol J, Riper H, Majo MC, Boon B, Blankers M.Smit F, et al.J Med Internet Res. 2011 Aug 11;13(3):e56. doi: 10.2196/jmir.1694.J Med Internet Res. 2011.PMID: 21840836Free PMC article.
Lokkerbol J, Adema D, de Graaf R, ten Have M, Cuijpers P, Beekman A, Smit F.Lokkerbol J, et al. Among authors: smit f.Soc Psychiatry Psychiatr Epidemiol. 2013 Oct;48(10):1591-9. doi: 10.1007/s00127-013-0660-8. Epub 2013 Feb 10.Soc Psychiatry Psychiatr Epidemiol. 2013.PMID: 23397319
Lokkerbol J, Weehuizen R, Mavranezouli I, Mihalopoulos C, Smit F.Lokkerbol J, et al. Among authors: smit f.J Ment Health Policy Econ. 2014 Jun;17(2):51-60.J Ment Health Policy Econ. 2014.PMID: 25153093