![](/img/cover-not-exists.png)
Collaborative study of maternal urine β -core human chorionic gonadotrophin screening for Down syndrome
Howard S. Cuckle, Jacob A. Canick, Leonard H. KellnerVolume:
19
Year:
1999
Language:
english
Pages:
7
DOI:
10.1002/(sici)1097-0223(199910)19:103.0.co;2-w
File:
PDF, 183 KB
english, 1999