TY  - GEN
TI  - Geographic variations in health care : : what do we know and what can be done to improve health system performance?
SN  - 978-92-64-21658-7
PY  - 2014///
CY  - Paris, Francia : 
PB  - Organisation for Economic Co-operation and Development
N1  - Incluye anexos; Incluye bibliografías al final de los capítulos
ER  -