@article{211156,
      recid = {211156},
      author = {Pearce, Neil.},
      title = {Asthma epidemiology : principles and methods /},
      publisher = {Oxford University Press,},
      address = {New York :},
      pages = {xiv, 266 p. :},
      year = {1998},
      url = {http://library.usi.edu/record/211156},
}