Berk, J. Edward <br/><br/>
Gastrointestinal symptoms  clinical interpretation / 
by J. Edward Berk and William S. Haubrich 
 - Philadelphia :  B. C. Decker,  1991 
 - 274 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>1556641966 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gastrointestinal diseases--Diagnosis