00402nam a2200133   4500000000100000008004100001260004000042653002000082653002800102653001100130245005700141856005600198300001400254       1996                            d  bWorld Health Organization, aHarare10aSouthern Africa10aHealth systems research10aAfrica00aHealth systems research, does it make a difference?   uhttp://www.healthresearchweb.org/files/hsr-95en.pdf  aIV, 47 p.