Czeizel, E <br/><br/>
[Genetic aspects of the demographic consequences of family planning].  [electronic resource] 

 -  Orvosi hetilap  Dec 1969 
 - 2993-3000 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0030-6002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Family Planning Services<br/>Genetics, Medical<br/>Humans<br/>Hungary<br/>Vital Statistics