Alijahan, Rahele <br/><br/>
Prevalence and risk factors associated with preterm birth in Ardabil, Iran.  [electronic resource] 

 -  Iranian journal of reproductive medicine  Jan 2014 
 - 47-56 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1680-6433