Lippincott, Williams & Wilkins, Obstetrical & Gynecological Survey, 6(66), p. 342-344, 2011
DOI: 10.1097/ogx.0b013e31822c182b
Elsevier, American Journal of Obstetrics & Gynecology, 3(204), p. 205.e1-205.e11, 2011
DOI: 10.1016/j.ajog.2010.12.060
Elsevier, Year Book of Obstetrics, Gynecology, and Women's Health, (2011), p. 46-47
DOI: 10.1016/j.yobg.2011.05.102
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