Best practices are available from many sources, including journals and other resources indexed in CINAHL and MEDLINE. Many databases contain limiters (Publication Type, etc.) to find practice guidelines.
AHRQ Evidence Based Practice Links to Evidence-based Practice Center (EPC) Evidence Reports: Click "Clinical PracticeGuidelines" in the menu on the left.
AIDSinfo: US Department of Health and Human Services (DHHS) project providing information on HIV/AIDS clinical trials and treatment.
HSTAT (Health Services Technology Assessment Text): NLM Information Technology Branch of the Lister Hill Center
NIH Consensus Statements: National Institutes of Health (NIH) formerly created consensus statements. This work by the NIH is no longer funded and what is available on this site is archival in nature, no longer up to date.
Nursing Best Practice Guidelines: Registered Nurses Association of Ontario (RNAO)
National Institutes of Health (NIH): Search the 27 Institutes and Centers for "clinical practice guidelines", "practice guidelines", or "guidelines"
CMA Infobase: Clinical Practice Guidelines: CANADIAN MEDICAL ASSOCIATION database of practice guidelines
Institute for Clinical Systems Improvement (ICSI): Click Guidelines & More.