Birth of a healthy child after pre-implantation genetic screening of embryos from sperm of a man with nonmosaic Down syndrome von Aghajanova, Lusine, Popwell, J. M., Chetkowski, R. J., Herndon, C. N.

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In premature luteinization, progesterone induces secretory transformation of the endometrium without impairment of embryo viability von Chetkowski, Ryszard J., Kiltz, Robert J., Salyer, William R.

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Donation of frozen embryos after in vitro fertilization is uncommon von Hounshell, Catherine V., Chetkowski, Ryszard J.

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Biologic Effects of Transdermal Estradiol von Chetkowski, Ryszard J, Meldrum, David R, Steingold, Kenneth A, Randle, Denise, Lu, John K, Eggena, Peter, Hershman, Jerome M, Alkjaersig, Norma K, Fletcher, Anthony P, Judd, Howard L

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Secondary donation of frozen embryos is more common after pregnancy initiation with donated eggs than after in vitro fertilization-embryo transfer and gamete intrafallopian transfe... von Sehnert, Bette, Chetkowski, Ryszard J

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"Ideas whose times have not come"? von Chetkowski, R J

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The effect of pituitary suppression and the women’s age on embryo viability and uterine receptivity von Chetkowski, Ryszard J., Rode, Richard A., Burruel, Victoria, Nass, Thomas E.

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Improved pregnancy outcome with the addition of leuprolide acetate to gonadotropins for in vitro fertilization von Chetkowski, Ryszard J., Kruse, Lisa R., Nass, Thomas E.

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Isofluorane inhibits early mouse embryo development in vitro von Chetkowski, Ryszard J., Nass, Thomas E.

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Transfer and uterine factors are the major recipient-related determinants of success with donor eggs von Zenke, Ulrike, Chetkowski, Ryszard J.

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Origin of Serum Progestins in Polycystic Ovarian Disease von CHETKOWSKI, RYSZARD J, CHANG, R JEFFREY, DeFAZIO, JOHN, MELDRUM, DAVID R, JUDD, HOWARD L

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Transvaginal ultrasound scanning of ovarian follicles von Meldrum, David R., Chetkowski, Ryszard J., Steingold, Kenneth A., Randle, Denise

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Salpingectomy or proximal tubal occlusion of unilateral hydrosalpinx increases the potential for spontaneous pregnancy von Sagoskin, Arthur W., Lessey, Bruce A., Mottla, Gilbert L., Richter, Kevin S., Chetkowski, Ryszard J., Chang, AnneLynn S., Levy, Michael J., Stillman, Robert J.

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Inclusion of heterozygotes for cystic fibrosis in the egg donor pool von Zenke, Ulrike, Chetkowski, Ryszard J

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Detecting differences in endometrial maturation? von Lessey, Bruce A., Chetkowski, Ryszard J.

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Optimization of hydrogen-ion concentration during aspiration of oocytes and culture and transfer of embryos von Chetkowski, Ryszard J., Nass, Thomas E., Matt, Dennis W., Hamilton, Fredesminda, Steingold, Kenneth A., Randle, Denise, Meldrum, David R.

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Birth of a healthy child after pre-implantation genetic screening of embryos from sperm of a man with nonmosaic Down syndrome von Aghajanova, Lusine, Popwell, J M, Chetkowski, R J, Herndon, C N

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The effect of pituitary suppression and the women's age on embryo viability and uterine receptivity von Chetkowski, RJ, Rode, RA, Burruel, V, Nass, TE

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Biologic effects of transdermal estradiol von Chetkowski, RJ, Meldrum, DR, Steingold, KA

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Reprint of: Transvaginal ultrasound scanning of ovarian follicles von Meldrum, David R., Chetkowski, Ryszard J., Steingold, Kenneth A., Randle, Denise

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