We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAn Evidence-Based Systematic Review of Vitamin A by the Natural Standard Research Collaboration.AuthorsUlbricht, Catherine; Basch, Ethan; Chao, Wendy; Conquer, Julie; Costa, Dawn; Culwell, Samantha; Flanagan, Kelly; Guilford, Jackie; Hammerness, Paul; Hashmi, Sadaf; Isaac, Richard; Rusie, Erica; Serrano, Jill M. Grimes; Ulbricht, Christine; Vora, Mamta; Windsor, Regina C.; Woloszyn, Matt; Zhou, SaraPublicationJournal of Dietary Supplements, 2012, Vol 9, Issue 4, p299ISSN1939-0211Publication typearticleDOI10.3109/19390211.2012.736721