We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDoes the inclusion of grey literature influence estimates of intervention effectiveness reported in meta-analyses?AuthorsMcAuley L; Pham B; Tugwell P; Moher DPublicationLancet, 2000, Vol 356, Issue 9237, p1228ISSN0140-6736Publication typearticleDOI10.1016/s0140-6736(00)02786-0