Werneke, Ursula <br/><br/>
How effective is St John's wort? The evidence revisited.  [electronic resource] 

 -  The Journal of clinical psychiatry  May 2004 
 - 611-7 p.  digital 
<br/><br/> Publication Type: Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0160-6689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Depressive Disorder--drug therapy<br/>Humans<br/>Hypericum--chemistry<br/>Phytotherapy--methods<br/>Placebos<br/>Publication Bias<br/>Regression Analysis<br/>Severity of Illness Index<br/>Treatment Outcome