@article{177975,
      recid = {177975},
      author = {Knuppel, Robert A. and Drukker, Joan E.},
      title = {High-risk pregnancy : a team approach /},
      publisher = {Saunders,},
      address = {Philadelphia :},
      pages = {xviii, 769 p. :},
      year = {1993},
      url = {http://library.usi.edu/record/177975},
}