"Kalifornien" . . "Krankenhausfinanzierung" . . "Zonder onderwerpscode." . . "National Bureau of Economic Research." . . "National Bureau of Economic Research" . "National bureau of economic research." . . . . . . . . . . . . . . . . "Hospital ownership and public medical spending" . "Hospital ownership and public medical spending"@en . . . . . . . . . . . . "Hospital Ownership and Public Medical Spending"@en . "Hospital Ownership and Public Medical Spending" . . . . . . . . . . . . . . . . . . . . . . "National Bureau of Economic Research (Cambridge, Estados Unidos)" . . "Economía de la salud Estados Unidos." . . "Privatwirtschaft" . . "Gesundheitskosten" . . "Krankenhausfinanzierung / Privatwirtschaft / Öffentliches Unternehmen / Gesundheitskosten / Kalifornien." . . "Öffentliches Unternehmen" . . "Hospitales Aspecto económico Estados Unidos." . .