Serum levels of human placental lactogen and human chorionic gonadotropin in early pregnancy: A maturational index of the placenta
1976 ◽
Vol 126
(6)
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pp. 707-711
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1984 ◽
Vol 144
(2)
◽
pp. 211-215
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1997 ◽
Vol 438
(1-2)
◽
pp. 187-190
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1983 ◽
Vol 57
(4)
◽
pp. 812-818
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1980 ◽
Vol 138
(8)
◽
pp. 1205-1213
◽
1976 ◽
Vol 126
(2)
◽
pp. 186-189
◽
2016 ◽
Vol 105
(5)
◽
pp. 1255-1260
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