Author/Editor		Geršak, Ksenija; Pohar-Perme, Maja; Strah, Darija M
Title		First trimester screening for trisomy 21 by maternal age, nuchal translucency and fetal nasal bone in unselected pregnancies
Type		članek
Source		In: Dey S, editor. Genetics and etiology of Down syndrome. Rijeka: Intech,
Publication year		2011
Volume		str. 301-12
Language		eng
Descriptors		PREGNANCY TRIMESTER, FIRST DOWN SYNDROME PRENATAL DIAGNOSIS NASAL BONE MATERNAL AGE ALPHA-FETOPROTEINS ESTRIOL GONADOTROPINS, CHORIONIC PREGNANCY-ASSOCIATED ALPHA-PLASMA PROTEIN ULTRASONOGRAPHY, PRENATAL