We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRegistration of observational studies: is it time?AuthorsWilliams, Rebecca J; Tse, Tony; Harlan, William R; Zarin, Deborah APublicationCMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne, 2010, Vol 182, Issue 15, p1638ISSN1488-2329Publication typeJournal ArticleDOI10.1503/cmaj.092252