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Hoffman S, Higgins JA, Beckford-Jarrett ST, Augenbraun M, Bylander KE, Mantell JE, Wilson TE.Hoffman S, et al. Among authors: higgins ja.Cult Health Sex. 2011 May;13(5):513-28. doi: 10.1080/13691058.2011.562304.Cult Health Sex. 2011.PMID: 21452091Free PMC article.
Higgins JA, Trussell J, Moore NB, Davidson JK Sr.Higgins JA, et al.Am J Health Educ. 2010;41(4):218-230. doi: 10.1080/19325037.2010.10599148. Epub 2013 Jan 23.Am J Health Educ. 2010.PMID: 23460940Free PMC article.