We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleConsent for participation in the Bloemfontein vitamin A trial: how informed and voluntary?AuthorsJoubert G; Steinberg H; van der Ryst E; Chikobvu PPublicationAmerican Journal of Public Health, 2003, Vol 93, Issue 4, p582ISSN0090-0036Publication typearticleDOI10.2105/AJPH.93.4.582