Skip Navigation LinksHome > July 2010 - Volume 116 - Issue 1 > The Natural History of the Normal First Stage of Labor
Obstetrics & Gynecology:
doi: 10.1097/AOG.0b013e3181e5b09a
Departments: Letters to the Editor

The Natural History of the Normal First Stage of Labor

Zhang, Jun PhD, MD; Sundaram, Rajeshwari PhD; Troendle, James PhD

Login

Article Tools

Share