@article{1415093,
      note = {Previous ed.: 1997.},
      author = {Greenhalgh, Trisha.},
      url = {http://library.usi.edu/record/1415093},
      title = {How to read a paper : the basics of evidence based  medicine /},
      publisher = {BMJ,},
      recid = {1415093},
      pages = {1 online resource (xviii, 222 pages).},
      address = {London :},
      year = {2000},
}