(Q46587288)
Statements
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Prospective evaluation of maternal serum human chorionic gonadotropin levels in 3428 pregnancies (English)
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MacMahon W
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Wians FH Jr
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M. H. Bogart
O. W. Jones
R. A. Felder
R. G. Best
L. Bradley
W. Butts
B. Crandall
W. MacMahon
F. H. Wians
1 September 1991
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165
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3
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663-667
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