%0 Journal Article %K Health Policy %K Universal health coverage (UHC) %B Cost Effectiveness and Resource Allocation %D 2021 %I Springer Science and Business Media LLC %N 1 %R 10.1186/s12962-021-00332-1 %T Level and determinants of county health system technical efficiency in Kenya: two stage data envelopment analysis %U https://link.springer.com/content/pdf/10.1186/s12962-021-00332-1.pdf %V 19