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Super S, Hermens N, Verkooijen K, Koelen M.Super S, et al.BMC Public Health. 2014 Jul 9;14:703. doi: 10.1186/1471-2458-14-703.BMC Public Health. 2014.PMID: 25011430Free PMC article.Clinical Trial.
Hermens N, de Langen L, Verkooijen KT, Koelen MA.Hermens N, et al. Among authors: verkooijen kt.Health Soc Care Community. 2017 Jul;25(4):1318-1327. doi: 10.1111/hsc.12431. Epub 2017 Feb 26.Health Soc Care Community. 2017.PMID: 28238205
Wagemakers A, Mulderij LS, Verkooijen KT, Groenewoud S, Koelen MA.Wagemakers A, et al. Among authors: verkooijen kt.BMC Public Health. 2018 Jun 28;18(1):812. doi: 10.1186/s12889-018-5715-z.BMC Public Health. 2018.PMID: 29954365Free PMC article.
Super S, Hermens N, Verkooijen K, Koelen M.Super S, et al.BMC Public Health. 2018 Aug 15;18(1):1012. doi: 10.1186/s12889-018-5955-y.BMC Public Health. 2018.PMID: 30111309Free PMC article.Clinical Trial.