@article{1485135,
      recid = {1485135},
      author = {Hanson, Lisa, and Malloy, Emily,},
      title = {Simkin's labor progress handbook : Early interventions to  prevent and treat dystocia /},
      pages = {1 online resource (xix, 357 pages) :},
      note = {Revised edition of: Labor progress handbook / Penny  Simkin, Lisa Hanson, Ruth Ancheta. Fourth edition. [2017].},
      url = {http://library.usi.edu/record/1485135},
}