APA

Chen M., Lee C. P., Lam Y. H., Tang R. Y. K., Chan B. C. P., Wong S. F., Tse L. H. Y. & Tang M. H. Y. (20081106). Comparison of nuchal and detailed morphology ultrasound examinations in early pregnancy for fetal structural abnormality screening: a randomized controlled trial. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Chicago

Chen M, Lee C P, Lam Y H, Tang R Y K, Chan B C P, Wong S F, Tse L H Y and Tang M H Y. 20081106. Comparison of nuchal and detailed morphology ultrasound examinations in early pregnancy for fetal structural abnormality screening: a randomized controlled trial. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Harvard

Chen M., Lee C. P., Lam Y. H., Tang R. Y. K., Chan B. C. P., Wong S. F., Tse L. H. Y. and Tang M. H. Y. (20081106). Comparison of nuchal and detailed morphology ultrasound examinations in early pregnancy for fetal structural abnormality screening: a randomized controlled trial. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

MLA

Chen M, Lee C P, Lam Y H, Tang R Y K, Chan B C P, Wong S F, Tse L H Y and Tang M H Y. Comparison of nuchal and detailed morphology ultrasound examinations in early pregnancy for fetal structural abnormality screening: a randomized controlled trial. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 20081106.