title: Key challenges in measuring quality of care: what needs to be done?
authors.forename: H M
authors.initials: HM
authors.lastname: Krumholz
mesh_terms: D002318:Cardiovascular Diseases / Q000175:diagnosis / Q000628:therapy; D006291:Health Policy; D006801:Humans; D008490:Medical Informatics; D017064:Process Assessment, Health Care; D011787:Quality of Health Care; D014481:United States