title: Demonstrating the learning health system through practical use cases.
authors.affiliation: Center for Learning Health Care, Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina amy.abernethy@duke.edu.
authors.forename: Amy P
authors.initials: AP
authors.lastname: Abernethy
mesh_terms: D003424:Crohn Disease / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors*
chemical_list: D014409:Tumor Necrosis Factor-alpha
keywords: electronic health record; health information technology