-
- Aidan Hollis and Ziana Ahmed.
- From the Department of Economics, University of Calgary, Calgary, AB, Canada, and Incentives for Global Health, Washington, DC (A.H.); and the Department of Economics, University of Toronto, Toronto (Z.A.).
- N. Engl. J. Med.. 2013 Dec 26;369(26):2474-6.
no abstract available
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