Hill, Rolla Bennett,  1929- <br/><br/>
The Gastrointestinal tract / 
by Rolla B. Hill and Fred Kern 
 - Baltimore :  Williams & Wilkins,  1977 
 - 233 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0683040057 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gastrointestinal system