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Wingo E, Ralph LJ, Kaller S, Biggs MA.Wingo E, et al. Among authors: ralph lj.Contraception. 2021 Apr;103(4):269-275. doi: 10.1016/j.contraception.2020.12.010. Epub 2020 Dec 26.Contraception. 2021.PMID: 33373612
Foster DG, Biggs MA, Ralph LJ, Arons A, Brindis CD.Foster DG, et al. Among authors: ralph lj.Womens Health Issues. 2008 Sep-Oct;18(5):351-9. doi: 10.1016/j.whi.2008.02.009. Epub 2008 May 15.Womens Health Issues. 2008.PMID: 18485738
Schwartz SL, Brindis CD, Ralph LJ, Biggs MA.Schwartz SL, et al. Among authors: ralph lj.Cult Health Sex. 2011 Sep;13(8):873-86. doi: 10.1080/13691058.2011.585405. Epub 2011 Jun 27.Cult Health Sex. 2011.PMID: 21707264
Roberts SC, Ralph LJ, Wilsnack SC, Foster DG.Roberts SC, et al. Among authors: ralph lj.Addict Behav. 2016 Apr;55:32-7. doi: 10.1016/j.addbeh.2015.12.015. Epub 2015 Dec 30.Addict Behav. 2016.PMID: 26774493Free PMC article.
Roberts SCM, Belusa E, Turok DK, Combellick S, Ralph L.Roberts SCM, et al.Womens Health Issues. 2017 Jul-Aug;27(4):400-406. doi: 10.1016/j.whi.2017.02.009. Epub 2017 Apr 5.Womens Health Issues. 2017.PMID: 28391971
Ralph LJ, King E, Belusa E, Foster DG, Brindis CD, Biggs MA.Ralph LJ, et al.J Adolesc Health. 2018 Mar;62(3):281-287. doi: 10.1016/j.jadohealth.2017.09.031. Epub 2017 Dec 13.J Adolesc Health. 2018.PMID: 29248391