A dedicated External Quality Assessment system for immunoassays of reproductive hormones von CEKAN, Sten Z

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Bioavailability of norethisterone acetate alone and in combination with estradiol administered in single or multiple oral doses to postmenopausal women von Stadberg, Elisabeth, Westlund, Pär, Landgren, Britt-Marie, Aedo, Ana-Rosa, Cekan, Sten Z, Mattsson, Lars-Åke

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The effect of RU 486 administered during the early luteal phase on bleeding pattern, hormonal parameters and endometrium von Swahn, M.L., Bygdeman, M., Cekan, S., Xing, S., Masironi, B., Johannisson, E.

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The effect of small doses of progesterone released from two types of vaginal rings on ovarian activity and bleeding patterns during the first postpartum year von Landgren, B.-M., Jonsson, B., Cekan, S.Z.

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Termination of early pregnancy with ZK 98, 734: pharmacokinetic behaviour and clinical effect von Swahn, Marja-Liisa, Kovács, László, Cekan, Sten Z., Aedo, Ana-Rosa, Westlund, Pär

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Pharmacokinetic and pharmacodynamic effects of vaginal rings releasing levonorgestrel at a rate of 27 μg/24 hours: A pilot study von Landgren, B-M, Aedo, A-R, Johannisson, E, Cekan, S.Z.

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Studies on a vaginal ring releasing levonorgestrel at an initial rate of 27 μg/24h when used alone or in combination with transdermal systems releasing estradiol von Landgren, B-M., Aedo, A-R., Johannisson, E., Cekan, S.Z.

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The prediction and/or detection of ovulation by means of urinary steroid assays von Cekan, S.Z., Beksac, M.S., Wang, E., Shi, S., Masironi, B., Landgren, B.-M., Diczfalusy, E.

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Effect of emergency contraception with levonorgestrel or mifepristone on ovarian function von Marions, Lena, Cekan, Sten Z., Bygdeman, Marc, Gemzell-Danielsson, Kristina

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Progesterone-releasing vaginal rings for use in postpartum contraception. II. Pharmacokinetic profiles in women von Landgren, B.-M., Hall, P.E., Cekan, S.Z.

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Effect of tamoxifen alone and in combination with RU 486 on the endometrium in the mid-luteal phase von Swahn, M.-L., Bygdeman, M., Seppälä, M., Johannisson, E., Cekan, S.

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Biases in the assays of steroids and their binding proteins von Cekan, S.Z.

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Immunometric assay for lutropin (hLH) based on the use of universal reagents for enzymatic labelling and magnetic separation and monitored by enhanced chemiluminescence von Pazzagli, M., Kohen, F., Sufi, S., Masironi, B., Cekan, S.Z.

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Does endogenous sex hormone binding globulin influence the contraceptive effect of levonorgestrel? von Cekan, S.Z.

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The interaction between sex hormone binding globulin and levonorgestrel released from vaginal rings in women von Cekan, S.Z., Jia, M., Landgren, B.-M., Diczfalusy, E.

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The interaction between sex hormone binding globulin and levonorgestrel released from Norplant®, an implantable contraceptive von Affandi, B., Cekan, S.Z., Boonkasemsanti, W., Samil, R.S., Diczfalusy, E.

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Assays of antibodies to a C-terminal peptide or the entire β-subunit of human chorionic gonadotropin von Cekan, Sten Z., Aedo, Ana-Rosa

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Pharmacokinetic studies with a vaginal delivery system releasing levonorgestrel at a near zero order rate for one year von Landgren, B.-M., Aedo, A.-R., Cekan, S.Z., Diczfalusy, E.

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On the assessment of validity of steroid radioimmunoassays von Cekan, S.Z.

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Hormonal consequences of “missing the pill” von Wang, E., Shi, S., Cekan, S.Z., Landgren, B.-M., Diczfalusy, E.

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