@article{737059,
      author = {Dudenhausen, Joachim W., and Travis, S. E., and Obladen,  M., and Pschyrembel, W.,},
      url = {http://library.usi.edu/record/737059},
      title = {Practical obstetrics [electronic resource] /},
      recid = {737059},
      pages = {1 online resource (512 pages) :},
}