Archer, D F <br/><br/>
Alesse: leading the shift to 20 microg.  [electronic resource] 

 -  American journal of obstetrics and gynecology  Nov 1999 
 - 37-8 p.  digital 
<br/><br/> Publication Type: Editorial; Research Support, Non-U.S. Gov't; Review 
<br/><br/><label>ISSN: </label>0002-9378 
<br/><br/><label>Standard No.: </label>10.1016/s0002-9378(99)70361-3  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiovascular Diseases--chemically induced<br/>Contraceptive Agents, Female--administration & dosage<br/>Contraceptives, Oral, Synthetic--administration & dosage<br/>Dose-Response Relationship, Drug<br/>Estradiol Congeners--administration & dosage<br/>Ethinyl Estradiol--administration & dosage<br/>Humans<br/>Levonorgestrel--administration & dosage