Law, B <br/><br/>
Low-oestrogen oral contraceptives.  [electronic resource] 

 -  British medical journal  Dec 1976 
 - 1560 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0007-1447 
<br/><br/><label>Standard No.: </label>10.1136/bmj.2.6051.1560-b  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Pharmaceutical<br/>Contraceptives, Oral<br/>Contraceptives, Oral, Synthetic<br/>Drug Combinations