Carol Levine <br/><br/>
Taking sides: clashing clues on controversial biothical issues 

 - 3rd ed. 
 -  Dushkin publishing group  1989 
 - 370 p 
<br/><br/><label>ISBN: </label>0- 86967- 756- 2 
<br/><br/><label>LC Class. No.: </label>R 724 .T34/