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OP23.05: Increased time-to-pregnancy in spontaneously conceived pregnancies is associated with decreased levels of PAPP-A and free β-hCG in first-trimester screening for Down syndrome
I. Kirkegaard, A. Tabor, T. B. Henriksen, N. UldbjergVolume:
40
Year:
2012
Language:
english
Pages:
1
DOI:
10.1002/uog.11610
File:
PDF, 52 KB
english, 2012