@article{543257,
      url = {http://digitallibrary.un.org/record/543257},
      title = {National system of epidemiological surveillance in Ukraine  /},
      publisher = {UN,},
      recid = {543257},
      pages = {4 p.},
      address = {Geneva :. 2004-07-22},
      year = {2004},
      month = {Jul},
}