Update on St. John's wort.  [electronic resource] 

 -  The Harvard mental health letter  Jan 2006 
 - 5-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1057-5022 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antidepressive Agents<br/>Humans<br/>Hypericum--adverse effects<br/>Phytotherapy