APA

Hollis B., Mavrides E., Carvalho J. S., Hill L., Dickinson V. & Thilaganathan B. (20011004). Significance of chromosome 22q11 analysis after detection of an increased first-trimester nuchal translucency. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Chicago

Hollis B, Mavrides E, Carvalho J S, Hill L, Dickinson V and Thilaganathan B. 20011004. Significance of chromosome 22q11 analysis after detection of an increased first-trimester nuchal translucency. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Harvard

Hollis B., Mavrides E., Carvalho J. S., Hill L., Dickinson V. and Thilaganathan B. (20011004). Significance of chromosome 22q11 analysis after detection of an increased first-trimester nuchal translucency. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

MLA

Hollis B, Mavrides E, Carvalho J S, Hill L, Dickinson V and Thilaganathan B. Significance of chromosome 22q11 analysis after detection of an increased first-trimester nuchal translucency. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 20011004.