title: Quality improvement research: can it even provide answers lacking in multicenter randomized trials?
authors.affiliation: Divisions of Newborn Medicine, Brigham and Women's Hospital, Children's Hospital of Boston, and Department of Pediatrics, Harvard Medical School, Boston MA, USA. sringer@partners.org
authors.forename: Steven A
authors.initials: SA
authors.lastname: Ringer
mesh_terms: D006302:Health Services Research; D006801:Humans; D015337:Multicenter Studies as Topic; D010372:Pediatrics / Q000592:standards*; D011787:Quality of Health Care / Q000592:standards*; D016032:Randomized Controlled Trials as Topic; D017749:Total Quality Management; D014481:United States