Collins, R. Douglas. <br/><br/>
Dynamic differential diagnosis / 
R. Douglas Collins. 
 - Philadelphia :  Lippincott,  c1981. 
 - xvii, 552 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0397504675 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diagnosis, Differential.