Hashishe, M M <br/><br/>
Down syndrome and maternal age: changes over time and review of risk factors.  [electronic resource] 

 -  The Journal of the Egyptian Public Health Association  1997 
 - 325-43 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0013-2446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Age Factors<br/>Birth Order<br/>Down Syndrome--epidemiology<br/>Egypt--epidemiology<br/>Female<br/>Humans<br/>Incidence<br/>Infant, Newborn<br/>Male<br/>Maternal Age<br/>Pregnancy<br/>Retrospective Studies