Kessler, A <br/><br/>
Fertility-regulating methods. Recent progress in the WHO programme of research in human reproduction.  [electronic resource] 

 -  WHO chronicle  May 1977 
 - 182-93 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0042-9694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abortion, Induced<br/>Contraception--methods<br/>Contraceptives, Oral--therapeutic use<br/>Developing Countries<br/>Family Planning Services<br/>Female<br/>Fertility<br/>Humans<br/>Intrauterine Devices<br/>Male<br/>Plants, Medicinal<br/>Reproduction<br/>Research<br/>Sexual Abstinence<br/>Sterilization, Reproductive<br/>Vaccines<br/>World Health Organization