Williams obstetrics
Cunningham, F. Gary, Kenneth J. Leveno, Steven L. Bloom, Catherine Y. Spong, Jodi S. Dashe, Barbara L. Hoffman, Brian M. Casey, and Jeanne S. Sheffield. 2014. Williams obstetrics. New York: McGraw-Hill Education.
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Cunningham, F. Gary, Kenneth J. Leveno, Steven L. Bloom, Catherine Y. Spong, Jodi S. Dashe, Barbara L. Hoffman, Brian M. Casey, and Jeanne S. Sheffield. 2014. Williams obstetrics. New York: McGraw-Hill Education.