|Up a level|
Fretheim, A and Witter , Sophie and Lindahl , A K and Olsen, I (2012) Performance-based financing in low- and middle-income countries: still more questions than answers. Bulletin of the World Health Organization , 90 (8). pp. 559-560.
Witter , Sophie and Fretheim, F and Kessy, F L and Lindahl , A K (2012) Paying for performance to improve the delivery of health interventions in low- and middle-income countries. Cochrane Library (2). pp. CD007899 .