@article{320204,
      author = {Sachs, Jessica Snyder.},
      url = {http://library.usi.edu/record/320204},
      title = {Good germs, bad germs : health and survival in a bacterial  world /},
      publisher = {Hill and Wang,},
      recid = {320204},
      pages = {x, 290 p. :},
      address = {New York :},
      year = {2007},
}