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Okan O, Bollweg TM, Berens EM, Hurrelmann K, Bauer U, Schaeffer D.Okan O, et al. Among authors: hurrelmann k.Int J Environ Res Public Health. 2020 Jul 30;17(15):5503. doi: 10.3390/ijerph17155503.Int J Environ Res Public Health. 2020.PMID: 32751484Free PMC article.
Berens EM, Vogt D, Messer M, Hurrelmann K, Schaeffer D.Berens EM, et al. Among authors: hurrelmann k.BMC Public Health. 2016 Nov 9;16(1):1151. doi: 10.1186/s12889-016-3810-6.BMC Public Health. 2016.PMID: 27829401Free PMC article.
Schaeffer D, Gille S, Hurrelmann K.Schaeffer D, et al. Among authors: hurrelmann k.Int J Environ Res Public Health. 2020 Jun 19;17(12):4403. doi: 10.3390/ijerph17124403.Int J Environ Res Public Health. 2020.PMID: 32575425Free PMC article.