UNGER, J P DUJARDIN, B Publication Date 1992 p 487-497 Serial Title:Bulletin of the World Health Organization Serial Part:Vol 70 No 4 View webpage for full text https://www.ncbi.nlm.nih.gov/pmc/issues/166654/ Keywords Health; systems: service delivery; Research; research design Language English Type of material text Log in or register to post comments
