title: Quality and strength: the GRADE system for formulating recommendations in clinical practice guidelines.
authors: Centro Cochrane Iberoamericano, Instituto de Investigación Biomédica (IIB-Sant Pau), Barcelona, Spain. palonso@santpau.cat
authors: Pablo
authors: P
authors: Alonso-Coello
authors: David
authors: D
authors: Rigau
authors: Andrea Juliana
authors: AJ
authors: Sanabria
authors: Vicente
authors: V
authors: Plaza
authors: Marc
authors: M
authors: Miravitlles
authors: Laura
authors: L
authors: Martinez
mesh_terms: D015982:Bias; D002986:Clinical Trials as Topic / Q000379:methods / Q000592:standards; D015986:Confounding Factors, Epidemiologic; D003365:Costs and Cost Analysis; D019317:Evidence-Based Medicine / Q000592:standards*; D005544:Forecasting; D006801:Humans; D057240:Patient Preference; D011050:Policy Making; D017410:Practice Guidelines as Topic / Q000592:standards; D011785:Quality Assurance, Health Care / Q000592:standards; D012107:Research Design; D012140:Respiratory Tract Diseases / Q000191:economics / Q000628:therapy; D018570:Risk Assessment; D012955:Societies, Medical / Q000592:standards