Rational phytotherapy :  a physicians' guide to herbal medicine / 
Volker Schulz, Rudolf Hèansel, Varro E. Tyler. 
 - 4th ed., fully rev. and expanded. 
 - Berlin ;   New York :  Springer,   c2004 
 - xix, 383 p. :  ill. (some col.) ;   25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>3540670963 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbs-- Therapeutic use.<br/> Plant Extracts-- therapeutic use<br/> Herbal Medicine
<br/><br/><label>National Library of Medicine Call No.: </label>