Jelliffe, D B <br/><br/>
Child spacing: as old as mankind.  [electronic resource] 

 -  UNICEF news  Dec 1973 
 - 28-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0379-2854 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth Intervals<br/>Birth Rate<br/>Demography<br/>Family Planning Services<br/>Fertility<br/>Lactation<br/>Population<br/>Population Dynamics<br/>Prolactin