title: Promises to keep.
authors: Sprint Corporation, Dallas, TX, USA.
authors: T A
authors: TA
authors: Cancela
mesh_terms: D003195:Computer Communication Networks / Q000191:economics* / Q000458:organization & administration; D017046:Cost Savings; D003695:Delivery of Health Care / Q000458:organization & administration*; D010067:Ownership; D014481:United States