Shin E, Fadel M, Sewart E, Yoong W
St. George's International School of Medicine, Grenada.
University College London School of Medicine, United Kingdom.
Eur J Obstet Gynecol Reprod Biol. 2017 May;212:193-194. doi: 10.1016/j.ejogrb.2017.03.017. Epub 2017 Mar 8.