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Marston HR, Freeman S, Bishop KA, Beech CL.Marston HR, et al. Among authors: freeman s.Games Health J. 2016 Jun;5(3):157-74. doi: 10.1089/g4h.2015.0087. Epub 2016 Apr 20.Games Health J. 2016.PMID: 27096726Review.
Freeman S, Marston HR, Olynick J, Musselwhite C, Kulczycki C, Genoe R, Xiong B.Freeman S, et al.Int J Environ Res Public Health. 2020 Aug 7;17(16):5711. doi: 10.3390/ijerph17165711.Int J Environ Res Public Health. 2020.PMID: 32784651Free PMC article.