Article PubMed
Lancet (London, England)  (2008)

Supporting the delivery of cost-effective interventions in primary health-care systems in low-income and middle-income countries=> an overview of systematic reviews.

Lewin, Simon; Lavis, John N; Oxman, Andrew D; Bastías, Gabriel; Chopra, Mickey; Ciapponi, Agustín; Flottorp, Signe; Martí, Sebastian García; Pantoja, Tomas; Rada, Gabriel; Souza, Nathan; Treweek, Shaun; Wiysonge, Charles S; Haines, Andy