Serum hCG-β levels of postovulatory day 12 and 14 with the sequential application of hCG-β fold change significantly increased predictability of pregnancy outcome after IVF-ET cycle
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Update policy: https://doi.org/10.1007/SPRINGER_CROSSMARK_POLICY
Koo, H. S.
Yang, K. M.
unspecified valid from 2016-06-04