HOFFMAN, B. L. (2011). Williams Obstetrics Study Guide. Mc Graw- hill.
Chicago Style (17th ed.) CitationHOFFMAN, Barbara L. Williams Obstetrics Study Guide. Mc Graw- hill, 2011.
MLA (9th ed.) CitationHOFFMAN, Barbara L. Williams Obstetrics Study Guide. Mc Graw- hill, 2011.
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