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Dan Apter

Helsinki University Central Hospital

9

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312

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Ultrasonic characteristics of the uterus and ovaries in relation to pubertal development and serum LH, FSH, and estradiol concentrations

1991 Adolescent and pediatric gynecology
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Pharmacokinetics of 3-keto-desogestrel and ethinylestradiol released from different types of contraceptive vaginal rings

1990 Contraception
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Clinical performance and endocrine profiles of contraceptive vaginal rings releasing 3-keto-desogestrel and ethinylestradiol

1990 Contraception
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Serum Luteinizing Hormone Concentrations Increase 100-Fold in Females From 7 Years of Age to Adulthood, as Measured by Time-Resolved Immunofluorometric Assay

1989 The Journal of Clinical Endocrinology and Metabolism
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Pulsatile secretion of luteinizing hormone in adolescents with hyperandrogenism

1988 Adolescent and pediatric gynecology
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Serum levels of placental protein 14 reflect ovulation in nonconceptional menstrual cycles

1986 Fertility and Sterility
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Plasma immunoreactive β-endorphin in exercise-associated amenorrhea☆

1986 American Journal of Obstetrics and Gynecology
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Citations (37)