@book{20540,
  keywords = {Southern Africa, Health systems research, Africa},
  title = {Health systems research, does it make a difference? },
  year = {1996},
  pages = {IV, 47 p.},
  publisher = {World Health Organization, },
  address = {Harare},
  url = {http://www.healthresearchweb.org/files/hsr-95en.pdf},
}