TY - CHAP M1 - Book, Section TI - Abnormal Labor A1 - Horsager, Robyn A1 - Roberts, Scott W. A1 - Rogers, Vanessa L. A1 - Santiago-Muñoz, Patricia C. A1 - Worley, Kevin C. A1 - Hoffman, Barbara L. PY - 2014 T2 - Williams Obstetrics Study Guide, 24e AB - Reproduced with permission from Cunningham FG, Leveno KJ, Bloom SL, et al (eds): Abnormal labor. In Williams Obstetrics, 24th ed. New York, McGraw-Hill, 2014, Figure 23-1. C. R. = contraction ring, Ext. = external, Int. = internal.Graphic Jump LocationView Full Size||Download Slide (.ppt) SN - PB - McGraw-Hill Education|Medical CY - New York, NY Y2 - 2024/04/20 UR - obgyn.mhmedical.com/content.aspx?aid=1138636697 ER -