SW, W., KFK, F., L, O., K, D., Q, Y., & M, W. (2004). Occurrence and predictors of cesarean delivery for the second twin after vaginal delivery of the first twin. Obstetrics & Gynecology, 103(3), 413. https://doi.org/10.1097/01.aog.0000110248.32558.fb
Chicago Style (17th ed.) CitationSW, Wen, Fung KFK, Oppenheimer L, Demissie K, Yang Q, and Walker M. "Occurrence and Predictors of Cesarean Delivery for the Second Twin After Vaginal Delivery of the First Twin." Obstetrics & Gynecology 103, no. 3 (2004): 413. https://doi.org/10.1097/01.aog.0000110248.32558.fb.
MLA (9th ed.) CitationSW, Wen, et al. "Occurrence and Predictors of Cesarean Delivery for the Second Twin After Vaginal Delivery of the First Twin." Obstetrics & Gynecology, vol. 103, no. 3, 2004, p. 413, https://doi.org/10.1097/01.aog.0000110248.32558.fb.