@article{e58e61f9e91a40728debb26a1a1b18ee,
title = "Sequential first and second trimester screening tests: Correlation of the markers' levels in normal versus Down syndrome affected pregnancies [1]",
author = "R. Maymon and M. Bergman and S. Segal and E. Dreazen and Z. Weinraub and A. Herman",
year = "2001",
month = dec,
day = "1",
doi = "10.1002/pd.198",
language = "English",
volume = "21",
pages = "1175--1177",
journal = "Prenatal Diagnosis",
issn = "0197-3851",
publisher = "John Wiley and Sons Ltd",
number = "13",
}