Maternal serum pregnancy-associated plasma protein-A and free β-human chorionic gonadotrophin in pregnancies conceived with fresh and frozen-thawed embryos fromin vitro fertilization and intracytoplasmic sperm injection
Keyword(s):
Keyword(s):
2000 ◽
Vol 107
(10)
◽
pp. 1265-1270
◽
Keyword(s):
1983 ◽
Vol 90
(4)
◽
pp. 323-325
◽
Keyword(s):
1995 ◽
Vol 10
(2)
◽
pp. 453-458
◽
Keyword(s):