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Likelihood ratios for fetal trisomy 21 based on nasal bone length in the second trimester: how best to define hypoplasia?
W. Cusick, T. Shevell, L. S. Duchan, C. A. Lupinacci, J. Terranova, W. R. CrombleholmeVolume:
30
Year:
2007
Language:
english
Pages:
4
DOI:
10.1002/uog.4091
File:
PDF, 149 KB
english, 2007