We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleValidity of methods used to assess vitamin and mineral supplement use.AuthorsPatterson RE; Kristal AR; Levy L; McLerran D; White EPublicationAmerican journal of epidemiology, 1998, Vol 148, Issue 7, p643ISSN0002-9262Publication typearticleDOI10.1093/aje/148.7.643