Endrikat, J <br/><br/>
A twelve-month comparative clinical investigation of two low-dose oral contraceptives containing 20 micrograms ethinylestradiol/75 micrograms gestodene and 30 micrograms ethinylestradiol/75 micrograms gestodene, with respect to efficacy, cycle control, and tolerance.  [electronic resource] 

 -  Contraception  Mar 1997 
 - 131-7 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0010-7824 
<br/><br/><label>Standard No.: </label>10.1016/s0010-7824(97)00025-5  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Amenorrhea--epidemiology<br/>Contraceptives, Oral, Combined--adverse effects<br/>Contraceptives, Oral, Synthetic--adverse effects<br/>Double-Blind Method<br/>Estradiol Congeners--adverse effects<br/>Ethinyl Estradiol--adverse effects<br/>Female<br/>Germany--epidemiology<br/>Humans<br/>Incidence<br/>Menstruation--drug effects<br/>Norpregnenes--adverse effects<br/>Time Factors<br/>Uterine Hemorrhage--chemically induced