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Human Reproduction (Oxford, England)|March 30, 2001
Embryo implantation and GnRH antagonists: ovarian actions of GnRH antagonistsO Ortmann, J M Weiss, K DiedrichThe Journal of Steroid Biochemistry and Molecular Biology|September 1, 1992
Effects of progesterone on gonadotropin-releasing hormone receptor concentration in cultured estrogen-primed female rat pituitary cellsG Emons, J Nill, R Sturm, et al.Archives of Gynecology|January 1, 1986
Effects of estradiol and some antiestrogens (clomiphene, tamoxifen, and hydroxytamoxifen) on luteinizing hormone secretion by rat pituitary cells in cultureG Emons, O Ortmann, S Thiessen, et al.Journal of Steroid Biochemistry|August 14, 1990
Modulatory actions of the new antiprogestins ZK 98.299 and ZK 98.734 and of RU 486 on luteinizing hormone secretion and progesterone effects in pituitary gonadotrophsO Ortmann, K Hansemann, R Knuppen, et al.Journal of Steroid Biochemistry|January 1, 1990
Weak estrogenic activity of phenol red in the pituitary gonadotroph: re-evaluation of estrogen and antiestrogen effectsO Ortmann, R Sturm, R Knuppen, et al.The Journal of Endocrinology|February 1, 1992
Acute effects of oestradiol and progesterone on melittin- and gonadotrophin-releasing hormone-induced LH secretionO Ortmann, K Johannsen, R Knuppen, et al.Acta Endocrinologica|September 1, 1989
Acute facilitory action of progesterone on gonadotropin secretion of perifused rat pituitary cellsO Ortmann, H Wiese, R Knuppen, et al.Archives of Gynecology and Obstetrics|June 27, 2003
Effects of insulin on luteinizing hormone and prolactin secretion and calcium signaling in female rat pituitary cellsJ M Weiss, S Polack, K Diedrich, et al.Archives of Gynecology and Obstetrics|April 14, 2000
Serum leptin concentrations throughout the menstrual cycleM Ludwig, H H Klein, K Diedrich, et al.Endocrinology|August 1, 1988
Inhibitory actions of keoxifene on luteinizing hormone secretion in pituitary gonadotrophsO Ortmann, G Emons, R Knuppen, et al.Pageof 10