title: Caremark to buy Cigna's system in Los Angeles.
authors.forename: M C
authors.initials: MC
authors.lastname: Jaklevic
mesh_terms: D019058:Community Networks / Q000458:organization & administration*; D006125:Group Practice, Prepaid / Q000458:organization & administration*; D015141:Los Angeles; D009096:Multi-Institutional Systems / Q000458:organization & administration*