TY - GEN AU - Nuttall,I D AU - Elstein,M AU - McCafferty,E AU - Seth,J AU - Cameron,E D TI - The effect of ethinyl estradiol 20 mcg and levonorgestrel 250 mcg on the pituitary-ovarian function during normal tablet-taking and when tablets are missed SN - 0010-7824 PY - 1983///0119 KW - Adolescent KW - Adult KW - Contraceptives, Oral KW - pharmacology KW - Contraceptives, Oral, Combined KW - administration & dosage KW - Ethinyl Estradiol KW - Female KW - Gonadotropins, Pituitary KW - blood KW - Humans KW - Levonorgestrel KW - Menstruation KW - Norgestrel KW - Ovary KW - drug effects KW - Pituitary Gland KW - Progesterone N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0010-7824(82)90081-6 ER -