title: PSOs at center stage.
authors.affiliation: Association of Managed Healthcare Organisations (AMHO), Washington, D.C., USA.
authors.forename: L M
authors.initials: LM
authors.lastname: Sprague
mesh_terms: D019058:Community Networks / Q000331:legislation & jurisprudence / Q000592:standards; D003284:Contract Services; D014481:United States