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Role of prenatal ultrasonography in women with positive screen for Down syndrome on the basis of maternal serum markers
David A. Nyberg, David A. Luthy, Edith Y. Cheng, Robert C. Sheley, Robert G. Resta, Michelle A. WilliamsVolume:
173
Year:
1995
Language:
english
DOI:
10.1016/0002-9378(95)91322-x
File:
PDF, 605 KB
english, 1995