@article{317723,
      author = {Boslaugh, Sarah.},
      url = {http://library.usi.edu/record/317723},
      title = {Secondary data sources for public health : a practical  guide /},
      publisher = {Cambridge University Press,},
      recid = {317723},
      pages = {x, 152 p. ;},
      address = {Cambridge ;},
      year = {2007},
}