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Timmermans J, Dijkstra C, Kamphuis C, Huitink M, van der Zee E, Poelman M.Timmermans J, et al.Int J Environ Res Public Health. 2018 Mar 28;15(4):619. doi: 10.3390/ijerph15040619.Int J Environ Res Public Health. 2018.PMID: 29597308Free PMC article.
Kamphuis CBM, Oude Groeniger J, Poelman MP, Beenackers MA, van Lenthe FJ.Kamphuis CBM, et al.BMC Public Health. 2019 Dec 4;19(1):1635. doi: 10.1186/s12889-019-8007-3.BMC Public Health. 2019.PMID: 31801497Free PMC article.
Poelman MP, van Lenthe FJ, Scheider S, Kamphuis CB.Poelman MP, et al.JMIR Res Protoc. 2020 Jan 28;9(1):e15283. doi: 10.2196/15283.JMIR Res Protoc. 2020.PMID: 32012100Free PMC article.