Christensen, Berit Hvass <br/><br/>
Maternal occupational exposure to asthmogens during pregnancy and risk of asthma in 7-year-old children: a cohort study.  [electronic resource] 

 -  BMJ open  2013 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>2044-6055 
<br/><br/><label>Standard No.: </label>10.1136/bmjopen-2012-002401  doi