Gray, J. A. Muir <br/><br/>
Essentials of preventive medicine 
J. A. Muir Gray  
 - Oxford:  Blackwell scientific publications,  1984. 
 -  227p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0632010444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prevention medician
<br/><br/><label>Dewey Class. No.: </label>614.44  / GRE