Foster, Steven. <br/><br/>
Echinacea :  nature's immune enhancer 
/por Steven Foster 
 - Rochester, Vermont :  Healing Arts,  c1991 
 - 150 p. :  ilus. 
<br/><br/><label>ISBN: </label>0892813865 
<br/><br/><label>LCCN: </label>100700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Achillea Millefolium.<br/>Botánica médica.<br/>Echinacea.
<br/><br/><label>Dewey Class. No.: </label>615.32355  / F81