Borell, Ulf, ed. Diczfalusy, Egon, ed. <br/><br/>
Control of human fertility ) 

 - New York  Wiley interscience division  1971 
 - 354 p.; 23cm. 
 - Nobel symposium .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth control - congresses<br/>Contraception<br/>Factor influencing fertilization and implantation<br/>Fertility control<br/>Fertility, human - congresses