C. A. Herrera,S. Lewin,E. Paulsen,A. Ciapponi,N. Opiyo,T. Pantoja,G. Rada,C. S. Wiysonge,G. Bastías,S. Garcia Marti,C. I. Okwundu,B. Peñaloza and A. D. Oxman. Governance arrangements for health systems in low-income countries: an overview of systematic reviews. Cochrane Database Syst Rev. 2017;9(9):10.1002/14651858.CD011085.pub2.
