Scaling up research and learning for health systems: time to act.
Evans
Timothy
T
Information Evidence and Research, WHO, 1211 Geneva 27, Switzerland. evanst@who.int
Nishtar
Sania
S
Atun
Rifat
R
Etienne
Carissa
C
D035843:Biomedical Research / Q000191:economics / Q000458:organization & administration / Q000639:trends*; D003695:Delivery of Health Care / Q000458:organization & administration* / Q000639:trends; D014943:Global Health; D006040:Goals