title: Challenges and values.
authors.affiliation: Cardiovascular Center, College of Medicine, University of Iowa, Iowa City 52242.
authors.forename: F M
authors.initials: FM
authors.lastname: Abboud
mesh_terms: D002309:Cardiology; D003365:Costs and Cost Analysis; D003695:Delivery of Health Care / Q000191:economics*; D006266:Health Education; D011315:Preventive Medicine / Q000379:methods; D012106:Research; D012109:Research Support as Topic; D012955:Societies, Medical