Original Article: PDF OnlyParacervical and Uterosacral Block in Obstetrics—A Controlled, Double-blind StudyPITKIN, R. M. M.D.; GODDARD, W. B. M.D., F.A.C.O.G.; Zweifel, J. R. B.S., M.S. Author Information Department of Obstetrics and Gynecology, University Hospitals, Iowa City, Iowa. Obstetrics & Gynecology 21(6):p 737-744, June 1963. Buy © 1963 The American College of Obstetricians and Gynecologists