Title: Williams Obstetrics, 25th EditionAuthors: Jodi S. Dashe; Steven L. Bloom; Catherine Y. Spong; Barbara L. HoffmanISBN: 1259644332Publisher: McGraw Hill
Title: Dewhurst’s Textbook of Obstetrics & Gynaecology 9th editionAuthors: Keith Edmonds, Christoph Lees, Tom BourneISBN: 9781119211440Publisher: Year: 2018Page: 2298Language: English
Title: Obstetrics: Normal and Problem PregnanciesAuthors: Steven G. Gabbe et al.ISBN: 9780323321082Publisher: ElsevierYear: 2017Page: 1426Language: English
Title: Fleischer’s Sonography in Obstetrics & GynecologyAuthors: Arthur C. Fleischer et al.ISBN: 9781259641350Publisher: McGraw-HillYear: 2017Page: 1425Language: English
Title: Cunningham and Gilstrap’s Operative ObstetricsAuthors: Edward R Yeomans et al.ISBN: 0071849068Publisher: McGraw-HillYear: 2017Page: 1348Language: English
