Cunningham, Peter Medicaid patients increasingly concentrated among physicians. [electronic resource] - Tracking report Aug 2006 - 1-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1553-0787 Subjects--Topical Terms: ForecastingGroup PracticeHealth PolicyHumansInsurance, Health, ReimbursementMedicaid--statistics & numerical dataMedicareMedicinePractice Patterns, Physicians'--trendsRural PopulationSpecializationUnited StatesUrban Population