title: Levels of evidence: Taking Neurology to the next level.
authors.forename: Robert A
authors.initials: RA
authors.lastname: Gross
authors.forename: Karen C
authors.initials: KC
authors.lastname: Johnston
mesh_terms: D002986:Clinical Trials as Topic / Q000145:classification* / Q000592:standards; D035081:Editorial Policies; D019317:Evidence-Based Medicine / Q000145:classification* / Q000592:standards; D012107:Research Design