Summary: Summary of the September 1, 2015 issue, including articles on variability in blood pressure measurements, risk for advanced colorectal neoplasia, use of aspirin or nonaspirin NSAIDs and risk for colorectal cancer, informed consent from participants in pragmatic trials, placebo interventions for knee osteoarthritis, epidural corticosteroids, as well as a practice tool on monitoring patients receiving direct oral anticoagulants and a commentary on antibiotic regulation.
