title: Studies of pituitary gonadotropin response to graded GNRF injections in women using a low-estrogen oral contraceptive for six months.
authors.forename: W N
authors.initials: WN
authors.lastname: Spellacy
authors.forename: P S
authors.initials: PS
authors.lastname: Kalra
authors.forename: S A
authors.initials: SA
authors.lastname: Birk
authors.forename: J
authors.initials: J
authors.lastname: Buggie
mesh_terms: D001695:Biology; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D004703:Endocrine System; D005193:Family Planning Services; D005640:Follicle Stimulating Hormone; D006062:Gonadotropins; D006065:Gonadotropins, Pituitary; D006728:Hormones; D007986:Luteinizing Hormone; D010827:Physiology; D011374:Progesterone; D012106:Research; D013739:Testosterone
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D006062:Gonadotropins; D006065:Gonadotropins, Pituitary; D006728:Hormones; D013739:Testosterone; D011374:Progesterone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone
keywords: Biology; Clinical Research; Contraception; Contraceptive Agents, Estrogen--administraction and dosage; Contraceptive Agents, Female--administraction and dosage; Contraceptive Agents--administraction and dosage; Contraceptive Methods; Endocrine System; Family Planning; Follicle Stimulating Hormone; Gonadotropins; Gonadotropins, Pituitary; Hormones; Luteinizing Hormone; Oral Contraceptives; Oral Contraceptives, Low-dose; Physiology; Progesterone; Research Methodology; Testosterone