Potts, D M <br/><br/>
Family spacing and limitation: acceptable and effective techniques-still in the future?  [electronic resource] 

 -  Proceedings of the Royal Society of London. Series B, Biological sciences  Oct 1977 
 - 129-44 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0950-1193 
<br/><br/><label>Standard No.: </label>10.1098/rspb.1977.0126  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Costs and Cost Analysis<br/>Developing Countries<br/>Family Planning Services--economics<br/>Female<br/>Humans<br/>Pregnancy<br/>Rural Population