Email updates

Keep up to date with the latest news and content from BMC Health Services Research and BioMed Central.

Open Access Highly Accessed Email this article to a friend

Systems for grading the quality of evidence and the strength of recommendations I: Critical appraisal of existing approaches The GRADE Working Group

David Atkins, Martin Eccles, Signe Flottorp, Gordon H Guyatt, David Henry, Suzanne Hill, Alessandro Liberati, Dianne O'Connell, Andrew D Oxman, Bob Phillips, Holger Schünemann, Tessa Tan-Torres Edejer, Gunn E Vist*, John W Williams and The GRADE Working Group

BMC Health Services Research 2004, 4:38  doi:10.1186/1472-6963-4-38

Fields marked * are required


Multiple email addresses should be separated with commas or semicolons.
How can I ensure that I receive BMC Health Services Research's emails?