title: Updating practice guidelines.
authors.affiliation: VA West Los Angeles Medical Center, Los Angeles, California2RAND Corporation, Santa Monica, California.
authors.forename: Paul G
authors.initials: PG
authors.lastname: Shekelle
mesh_terms: D002309:Cardiology / Q000592:standards*; D006801:Humans; D017410:Practice Guidelines as Topic / Q000592:standards*