van der Merwe, L <br/><br/>
Case-control study of severe life threatening asthma (SLTA) in a developing community.  [electronic resource] 

 -  Thorax  Sep 2006 
 - 756-60 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0040-6376 
<br/><br/><label>Standard No.: </label>10.1136/thx.2005.052308  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Anti-Asthmatic Agents--therapeutic use<br/>Asthma--drug therapy<br/>Case-Control Studies<br/>Developing Countries<br/>Female<br/>Humans<br/>Male<br/>Respiratory Function Tests<br/>Risk Factors<br/>South Africa--epidemiology