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Fratelli N, Papageorghiou AT, Bhide A, Sharma A, Okoye B, Thilaganathan B.Fratelli N, et al. Among authors: papageorghiou at.Ultrasound Obstet Gynecol. 2007 Sep;30(3):266-70. doi: 10.1002/uog.4086.Ultrasound Obstet Gynecol. 2007.PMID: 17674424Free article.
Bora SA, Bourne T, Bottomley C, Kirk E, Papageorghiou AT.Bora SA, et al. Among authors: papageorghiou at.Ultrasound Obstet Gynecol. 2009 Jul;34(1):38-42. doi: 10.1002/uog.6422.Ultrasound Obstet Gynecol. 2009.PMID: 19521968Free article.