title: Evidence in upheaval: incorporating observational data into clinical practice.
authors.affiliation: rayjg@mcmaster.ca
authors.forename: Joel G
authors.initials: JG
authors.lastname: Ray
mesh_terms: D002986:Clinical Trials as Topic; D004812:Epidemiologic Methods; D015340:Epidemiologic Research Design; D019317:Evidence-Based Medicine; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity