Schindler, A E <br/><br/>
The 3-keto-desogestrel/ethinylestradiol ring: a new parenteral form of hormonal contraception.  [electronic resource] 

 -  European journal of obstetrics, gynecology, and reproductive biology  Apr 1993 
 - 13-4 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Multicenter Study 
<br/><br/><label>ISSN: </label>0301-2115 
<br/><br/><label>Standard No.: </label>10.1016/0028-2243(93)90101-h  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Contraception--methods<br/>Contraceptive Devices, Female--adverse effects<br/>Desogestrel--administration & dosage<br/>Ethinyl Estradiol--administration & dosage<br/>Female<br/>Humans<br/>Progesterone Congeners--administration & dosage