APA
Bekker M. N., Haak M. C., Rekoert-Hollander M., Twisk J. & Van Vugt J. M. G. (20050616). Increased nuchal translucency and distended jugular lymphatic sacs on first-trimester ultrasound. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
Chicago
Bekker M N, Haak M C, Rekoert-Hollander M, Twisk J and Van Vugt J M G. 20050616. Increased nuchal translucency and distended jugular lymphatic sacs on first-trimester ultrasound. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
Harvard
Bekker M. N., Haak M. C., Rekoert-Hollander M., Twisk J. and Van Vugt J. M. G. (20050616). Increased nuchal translucency and distended jugular lymphatic sacs on first-trimester ultrasound. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
MLA
Bekker M N, Haak M C, Rekoert-Hollander M, Twisk J and Van Vugt J M G. Increased nuchal translucency and distended jugular lymphatic sacs on first-trimester ultrasound. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 20050616.