TY - GEN AU - Lieberman,B A AU - Troup,S A AU - Matson,P L TI - Cryopreservation of embryos and pregnancy rates after IVF SN - 0140-6736 PY - 1992///0730 KW - Adult KW - Cryopreservation KW - methods KW - Embryo, Mammalian KW - Female KW - Humans KW - Maternal Age KW - Pregnancy KW - Pregnancy Outcome N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1016/0140-6736(92)90438-9 ER -