title: Studies comparing quality of care by specialty: valid, relevant, or neither?
authors.forename: Patrick G
authors.initials: PG
authors.lastname: O'Malley
authors.forename: Ann S
authors.initials: AS
authors.lastname: O'Malley
mesh_terms: D006801:Humans; D008511:Medicine; D011787:Quality of Health Care / Q000592:standards*; D015203:Reproducibility of Results; D013038:Specialization