(Q47417242)
Statements
1 reference
Maternal serum screening for Down's syndrome: the effect of routine ultrasound scan determination of gestational age and adjustment for maternal weight (English)
N. J. Wald
H. S. Cuckle
J. W. Densem
A. Kennard
1 February 1992
1 reference
99
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2
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144-149
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Identifiers
1 reference