Placental growth hormone and growth hormone binding protein are first trimester maternal serum markers of Down syndrome
1992 ◽
Vol 24
(06)
◽
pp. 297-299
◽
1991 ◽
Vol 72
(6)
◽
pp. 1346-1349
◽
1991 ◽
Vol 73
(1)
◽
pp. 175-181
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1996 ◽
Vol 44
(6)
◽
pp. 673-678
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1996 ◽
Vol 3
(2)
◽
pp. 89A