Problem oriented medical diagnosis  H. Harold Friedman. 

 - 4th ed. 
 - Toronto  Little Brown and Co.  1979 
 - xiv+452p., 20cm. 
<br/><br/><label>ISBN: </label>0-316-29381-4. 
<br/><br/><label>Dewey Class. No.: </label>616.075,  / P87P