Tisserand, Robert. <br/><br/>
Essential oil safety :  a guide for health care professionals / 
Robert Tisserand, Rodney Young ; foreword by Elizabeth M. Williamson. 
 - 2nd ed. 
 - Edinburgh :  Churchill Livingstone/Elsevier Ltd.,  2014. 
 - xiii, 780 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9780443062414  RM287.04 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oils, Volatile--toxicity.<br/>Oils, Volatile--therapeutic use.