title: Guidelines should reflect all knowledge, not just clinical trials.
authors.affiliation: Institute of Health Policy and Management, Erasmus University Rotterdam, PO Box 1738, Rotterdam 3000 DR, The Netherlands. zuiderent@bmg.eur.nl
authors.forename: Teun
authors.initials: T
authors.lastname: Zuiderent-Jerak
authors.forename: Frode
authors.initials: F
authors.lastname: Forland
authors.forename: Fergus
authors.initials: F
authors.lastname: Macbeth
mesh_terms: D002986:Clinical Trials as Topic; D019317:Evidence-Based Medicine / Q000592:standards*; D017408:Guidelines as Topic / Q000592:standards*; D006801:Humans; D019359:Knowledge