TY - GEN AU - De Silva,M TI - Do "sponsoring embryos" really respond? SN - 0015-0282 PY - 1998///0120 KW - Chi-Square Distribution KW - Cryopreservation KW - Embryo Implantation KW - Embryo Transfer KW - Embryo, Mammalian KW - Female KW - Humans KW - Observer Variation KW - Research Design N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1016/s0015-0282(97)90089-3 ER -