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Porter A, Sy JR.Porter A, et al. Among authors: sy jr.J Appl Behav Anal. 2020 Jan;53(1):508-521. doi: 10.1002/jaba.604. Epub 2019 Jul 7.J Appl Behav Anal. 2020.PMID: 31282014
Vessells J, Sy JR, Wilson A, Green L.Vessells J, et al. Among authors: sy jr.J Appl Behav Anal. 2018 Apr;51(2):374-381. doi: 10.1002/jaba.454. Epub 2018 Mar 14.J Appl Behav Anal. 2018.PMID: 29536539
Sy JR, Green L, Gratz O, Ervin T.Sy JR, et al.Behav Modif. 2016 Sep;40(5):713-30. doi: 10.1177/0145445515622382. Epub 2016 Jan 12.Behav Modif. 2016.PMID: 26762626