1
Published: 2007
Superior document: Working paper series / National Bureau of Economic Research 12838
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2
Published: 2007
Superior document: Working paper series / National Bureau of Economic Research 12836
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3
Published: 2005
Superior document: Enthalten in Health and economic growth ; ed. by Guillem López-Casanovas, Berta Rivera, and Luis Currais Cambridge, Mass. [u.a.], 2005 S. [316] - 338