RT Book, Section A1 Cunningham, F. Gary A1 Leveno, Kenneth J. A1 Bloom, Steven L. A1 Dashe, Jodi S. A1 Hoffman, Barbara L. A1 Casey, Brian M. A1 Spong, Catherine Y. SR Print(0) ID 1160776228 T1 Operative Vaginal Delivery T2 Williams Obstetrics, 25e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259644320 LK accessmedicine.mhmedical.com/content.aspx?aid=1160776228 RD 2024/03/19 AB The most important function of forceps is traction exercised for the purpose of drawing the head through the genital tract. In not a few cases, however, particularly in occipito-posterior presentations, its employment as a rotator is attended by most happy results.—J. Whitridge Williams (1903)