title: How helpful are task force statements about "insufficient evidence"?
authors.forename: Michael
authors.initials: M
authors.lastname: LeFevre
mesh_terms: D026683:Advisory Committees / Q000458:organization & administration*; D002986:Clinical Trials as Topic / Q000639:trends*; D020000:Decision Support Systems, Clinical / Q000639:trends*; D019317:Evidence-Based Medicine / Q000458:organization & administration*; D011315:Preventive Medicine / Q000458:organization & administration*; D014481:United States