India's Janani Suraksha Yojana, a conditional cash transfer programme to increase births in health facilities: an impact evaluation
Lim, Stephen S, PhD ; Dandona, Lalit, Prof ; Hoisington, Joseph A, BS ; James, Spencer L, BS ; Hogan, Margaret C, MS ; Gakidou, Emmanuela, Dr
The Lancet (British edition), 2010-06, Vol.375 (9730), p.2009-2023 [Periódico revisado por pares]Kidlington: Elsevier Ltd
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