Cohen, Jack,  1933-. <br/><br/>
Living embryos / 
Jack Cohen. 
 - 3rd ed. 
 - Oxford :  Pergamon Press,  1982. 
 - xii, 173p. :  ill. ;  21cm. 
<br/><br/>Bibliography : p162. - Includes index. 
<br/><br/><label>ISBN: </label>008025926X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology.