Ivermectin and abamectin 
William C. Campbell 
 - New York  Springer- Verlag  c1989 
 - xviii, 363 pages  Illustrations ;  25 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abamectin<br/>Ivermectin