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Newby K, Kwah K, Schumacher L, Crutzen R, Bailey JV, Jackson LJ, Bremner S, Brown KE.Newby K, et al. Among authors: crutzen r.JMIR Res Protoc. 2023 May 11;12:e43645. doi: 10.2196/43645.JMIR Res Protoc. 2023.PMID: 37166958Free PMC article.
Newby K, Crutzen R, Brown K, Bailey J, Saunders J, Szczepura A, Hunt J, Alston T, Sadiq ST, Das S.Newby K, et al. Among authors: crutzen r.JMIR Form Res. 2019 May 1;3(2):e11242. doi: 10.2196/11242.JMIR Form Res. 2019.PMID: 31042156Free PMC article.
Elling JM, Crutzen R, Talhout R, de Vries H.Elling JM, et al. Among authors: crutzen r.JMIR Res Protoc. 2021 May 14;10(5):e27088. doi: 10.2196/27088.JMIR Res Protoc. 2021.PMID: 33988520Free PMC article.
Sassen B, Kok G, Mesters I, Crutzen R, Cremers A, Vanhees L.Sassen B, et al. Among authors: crutzen r.JMIR Res Protoc. 2012 Dec 14;1(2):e21. doi: 10.2196/resprot.1804.JMIR Res Protoc. 2012.PMID: 23612470Free PMC article.
Reinwand DA, Schulz DN, Crutzen R, Kremers SP, de Vries H.Reinwand DA, et al. Among authors: crutzen r.J Med Internet Res. 2015 May 11;17(5):e115. doi: 10.2196/jmir.3932.J Med Internet Res. 2015.PMID: 25963607Free PMC article.