We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEnhanced retention strategies and willingness to participate among hard-to-reach female sex workers in Barcelona for HIV prevention and vaccine trialsAuthorsEtcheverry, M. Florencia; Evans, Jennifer L.; Sanchez, Emilia; Mendez-Arancibia, Eva; Meroño, Mercé; Gatell, José M.; Page, Kimberly; Joseph, JoanPublicationHuman Vaccines & Immunotherapeutics, 2013, Vol 9, Issue 2, p420ISSN2164-5515Publication typearticleDOI10.4161/hv.22903