Differential diagnosis in primary care 
R. Douglas Collins 
 - 4th ed 
 - Philadelphia  [publisher not identified]  2008 
 - xvi, 510 p. : ill. (some col.) ; 28 cm 
<br/><br/><label>ISBN: </label>9780781768122 
<br/><br/><label>Dewey Class. No.: </label>616.075 COL