First-trimester combined ultrasound and biochemical screening for Down syndrome in routine clinical practice
E. J. Stenhouse, J. A. Crossley, D. A. Aitken, K. Brogan, A. D. Cameron, J. M. ConnorVolume:
24
Year:
2004
Language:
english
Pages:
7
DOI:
10.1002/pd.980
File:
PDF, 128 KB
english, 2004