title: The protean role of health care delivery organizations in comparative effectiveness research.
authors: Andrew L
authors: AL
authors: Masica
authors: David J
authors: DJ
authors: Ballard
mesh_terms: D057186:Comparative Effectiveness Research / Q000458:organization & administration*; D003695:Delivery of Health Care / Q000458:organization & administration*; D018166:Health Care Reform; D006801:Humans; D014481:United States