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Am J Perinatol 2012; 29(09): 717-722
DOI: 10.1055/s-0032-1314894
Original Article
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

An Analysis of Second-Stage Labor beyond 3 Hours in Nulliparous Women

April T. Bleich
1   Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas
,
James M. Alexander
1   Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas
,
Donald D. McIntire
1   Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas
,
Kenneth J. Leveno
1   Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas
› Author Affiliations