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Ding L, Yuen LW, Newman IM, Shell DF.Ding L, et al. Among authors: shell df.Int J Environ Res Public Health. 2018 Apr 25;15(5):850. doi: 10.3390/ijerph15050850.Int J Environ Res Public Health. 2018.PMID: 29693597Free PMC article.
Cheng Y, Newman IM, Qu M, Mbulo L, Chai Y, Chen Y, Shell DF.Cheng Y, et al. Among authors: shell df.J Sch Health. 2010 Apr;80(4):193-9. doi: 10.1111/j.1746-1561.2009.00486.x.J Sch Health. 2010.PMID: 20433645
Shell DF, Newman IM, Perry CM, Folsom AR.Shell DF, et al.Am J Health Behav. 2011 Sep;35(5):568-80. doi: 10.5993/ajhb.35.5.6.Am J Health Behav. 2011.PMID: 22040618Clinical Trial.