Haycock, A. <br/><br/>
Cotton and Williams' practical gastrointestinal endoscopy: the fundamentals. 7th ed. 

 -  Wiley-Blackwell  2013 
<br/><br/><label>ISBN: </label>9781118406465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digestive System, Diagnosis, Examination<br/>Gastrointestinal Examination