Nuttall, I D <br/><br/>
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.  [electronic resource] 

 -  Contraception  Aug 1982 
 - 121-35 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0010-7824 
<br/><br/><label>Standard No.: </label>10.1016/0010-7824(82)90081-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Contraceptives, Oral--pharmacology<br/>Contraceptives, Oral, Combined--administration & dosage<br/>Ethinyl Estradiol--pharmacology<br/>Female<br/>Gonadotropins, Pituitary--blood<br/>Humans<br/>Levonorgestrel<br/>Menstruation<br/>Norgestrel--administration & dosage<br/>Ovary--drug effects<br/>Pituitary Gland--drug effects<br/>Progesterone--blood