Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUsers' guides to the medical literature. IX. A method for grading health care recommendations. Evidence-Based Medicine Working Group.AuthorsGuyatt GH; Sackett DL; Sinclair JC; Hayward R; Cook D; Cook RJ; Guyatt, G H; Sackett, D L; Sinclair, J C; Hayward, R; Cook, D J; Cook, R JPublicationJAMA: Journal of the American Medical Association, 1995, Vol 274, Issue 22, p1800ISSN0098-7484Publication typejournal articleDOI10.1001/jama.274.22.1800