Published in Fertil Steril on April 01, 1990
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Pharmacokinetic and pharmacodynamic studies of levonorgestrel-releasing intrauterine device. Contraception (1990) 0.96
Metabolism and serum binding of RU 486 in women after various single doses. Hum Reprod (1987) 0.95
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Five years' experience with levonorgestrel-releasing IUDs. Contraception (1986) 0.90
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The free beta-subunit of human chorionic gonadotropin as a prognostic factor in renal cell carcinoma. Br J Cancer (2002) 0.89
Distribution of RU 486 and its demethylated metabolites in humans. J Clin Endocrinol Metab (1989) 0.88
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First week drug concentrations in women with levonorgestrel rod or Norplant capsule implants. Contraception (1997) 0.88
Sustained intrauterine release of levonorgestrel over five years. Fertil Steril (1986) 0.86
Levonorgestrel concentrations during use of levonorgestrel rod (LNG ROD) implants. Contraception (1997) 0.85
Structural studies, localization in tissue and clinical aspects of human endometrial proteins. J Reprod Fertil Suppl (1988) 0.85
Ovarian function in amenorrheic and menstruating users of a levonorgestrel-releasing intrauterine device. Fertil Steril (1984) 0.85
Return of ovarian function after abortion. Clin Endocrinol (Oxf) (1978) 0.85
Plasma levonorgestrel levels and ovarian function during the use of a levonorgestrel-releasing intracervical contraceptive device. Contraception (1989) 0.84
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Observations on the antigenicity and clinical effects of a candidate antipregnancy vaccine: beta-subunit of human chorionic gonadotropin linked to tetanus toxoid. Fertil Steril (1980) 0.83
Vascular endothelial growth factor is bound in amniotic fluid and maternal serum. Hum Reprod (1999) 0.83
Pharmacokinetics of mifepristone after low oral doses. Contraception (1996) 0.83
Distribution and percentages of non-protein bound contraceptive steroids in human serum. J Steroid Biochem (1982) 0.83
Investigations on the effect of an oral contraceptive and its components on liver function, serum proteins, copper, coeruloplasmin and gamma-glutamyl peptidase in postmenopausal women. Scand J Gastroenterol (1968) 0.83
Increase in first morning voided urinary luteinizing hormone levels precedes the physical onset of puberty. J Clin Endocrinol Metab (1996) 0.82
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Gas-liquid chromatographic and mass spectrometric studies on sterols in vernix caseosa, amniotic fluid and meconium. Acta Chem Scand (1968) 0.82
Serum salbutamol concentrations during oral and intravenous treatment in pregnant women. Br J Obstet Gynaecol (1985) 0.82
A D-norgestrel-releasing IUD. Contraception (1976) 0.82
Failure of creatine kinase to predict ectopic pregnancy. Fertil Steril (1996) 0.82
Ovarian hyperstimulation caused by gonadotroph adenoma secreting follicle-stimulating hormone in 28-year-old woman. J Clin Endocrinol Metab (1999) 0.82
Intrauterine contraception with Nova-T and copper-T-200 during three years. Contraception (1981) 0.81
The monitoring of labor by telemetry. J Perinat Med (1982) 0.81
A comparison of serum and tissue hCG beta as prognostic markers in colorectal cancer. Anticancer Res (2001) 0.81
Gossypol, a powerful inhibitor of human spermatozoal metabolism. Lancet (1980) 0.81
Identification and determination of oestrogens in various biological materials in pregnancy. Ann Clin Res (1970) 0.81
Pulsatile secretion of LH and FSH in prepubertal and early pubertal boys revealed by ultrasensitive time-resolved immunofluorometric assays. Pediatr Res (1990) 0.81
Return of ovulation after abortion and after discontinuation of oral contraceptives. Fertil Steril (1980) 0.81
Safety assessment of common foods enriched with natural nonesterified plant sterols. Eur J Clin Nutr (2008) 0.81
Preoperative serum hCGbeta as a prognostic marker in primary fallopian tube carcinoma. Tumour Biol (2005) 0.81
Markers supplementing CA 125 in ovarian cancer. Ann Med (1995) 0.81
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No evidence for extraocular light induced phase shifting of human melatonin, cortisol and thyrotropin rhythms. Neuroreport (2000) 0.80
Important factors in the use-effectiveness of the copper-T-200 IUD. Contraception (1975) 0.80
Direct intraperitoneal or intrauterine insemination and superovulation in infertility treatment: a randomized study. Fertil Steril (1990) 0.80
Time-resolved immunofluorometric assay for placental protein 14. Clin Chim Acta (1989) 0.80
Long-term contraception with norethindrone subcutaneous capsules. Ann Clin Res (1976) 0.80
Serum luteinizing hormone concentrations increase 100-fold in females from 7 years to adulthood, as measured by time-resolved immunofluorometric assay. J Clin Endocrinol Metab (1989) 0.80
The disappearance of HCG and return of pituitary function after abortion. Clin Endocrinol (Oxf) (1978) 0.80
The effect of dehydroepiandrosterone and its sulphate on human midterm placental secretion of HCG, progesterone, estrone and estradiol-17 beta in tissue culture. J Steroid Biochem (1981) 0.80
Immunoprocedures for detecting human chorionic gonadotropin: clinical aspects and doping control. Clin Chem (1997) 0.80
Identification and determination of neutral steroid sulphates in human foetal adrenal and liver tissue. Acta Endocrinol (Copenh) (1970) 0.80
The role of mitochondria in uterine contractions. FEBS Lett (1975) 0.80
Simultaneous assay of alpha-fetoprotein and free beta subunit of human chorionic gonadotropin by dual-label time-resolved immunofluorometric assay. Clin Chem (1993) 0.80