Johnstone, Rutherford T. <br/><br/>
Occupational diseases and industrial medicine  Rutherford T. Johnstone, Seward E. Miller. 

 - Philadelphia  W.B. Saunders  1960 
 - vii, 482p. 26cm. 
<br/><br/><label>Dewey Class. No.: </label>616.9803  / J52O