Zhang J, Yancey MK, Klebanoff MA, Schwarz J, Schweitzer D. (2001). Does epidural analgesia prolong labor and increase risk of cesarean delivery? A natural experiment. American Journal of Obstetrics and Gynecology, 185:128-34. [Abstract]
Zhang J & Yu KF. (1998). What's the relative risk? A method of correcting the odds ratio in cohort studies of common outcomes. JAMA, 280:1690-1691. [Abstract]
Zhang J, Troendle J, & Yancey MK. (2002). Reassessing the labor curve in nulliparous women. American Journal of Obstetrics and Gynecology, 187:824-828. [Abstract]
Zhang J, Gilles JM, Barnhart K, Creinin MD, Westhoff C, & Frederick MM. (2005). A comparison of medical management with misoprostol and surgical management for early pregnancy failure. New England Journal of Medicine, 353(8):761-769. [Abstract]
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