JP, N., DA, D., GE, K., SR, Z., LL, L., & FJ, S. (2004). Effects of repeated prenatal ultrasound examinations on childhood outcome up to 8 years of age: Follow-up of a randomised controlled trial. Lancet, 364(9450), 2038. https://doi.org/10.1016/s0140-6736(04)17516-8
Chicago Style (17th ed.) CitationJP, Newnham, Doherty DA, Kendall GE, Zubrick SR, Landau LL, and Stanley FJ. "Effects of Repeated Prenatal Ultrasound Examinations on Childhood Outcome Up to 8 Years of Age: Follow-up of a Randomised Controlled Trial." Lancet 364, no. 9450 (2004): 2038. https://doi.org/10.1016/s0140-6736(04)17516-8.
MLA (9th ed.) CitationJP, Newnham, et al. "Effects of Repeated Prenatal Ultrasound Examinations on Childhood Outcome Up to 8 Years of Age: Follow-up of a Randomised Controlled Trial." Lancet, vol. 364, no. 9450, 2004, p. 2038, https://doi.org/10.1016/s0140-6736(04)17516-8.