Robb-Nicholson, C <br/><br/>
By the way, doctor. NOw that pollen season is underway, I need a decongestant. The one I've used for years was taken off the market because it contained PPA. What is PPA, and why is it a problem? What can I use instead?  [electronic resource] 

 -  Harvard women's health watch  May 2001 
 - 7-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1070-910X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cerebral Hemorrhage--chemically induced<br/>Female<br/>Humans<br/>Nasal Decongestants--adverse effects<br/>Phenylpropanolamine--adverse effects<br/>Risk Factors