Nilsson, L <br/><br/>
Side effects of oral contraceptives. An investigation of 4 gestagens using a double blind crossover technique.  [electronic resource] 

 -  Acta obstetricia et gynecologica Scandinavica  1966 
 - 41 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article 
<br/><br/><label>ISSN: </label>0001-6349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Contraceptives, Oral--adverse effects<br/>Ethinyl Estradiol--adverse effects<br/>Ethynodiol Diacetate--adverse effects<br/>Female<br/>Humans<br/>Megestrol--adverse effects<br/>Norethindrone--adverse effects<br/>Progestins--adverse effects