Sarles, H E <br/><br/>
The long and short of flexible sigmoidoscopy: does it matter?  [electronic resource] 

 -  The American journal of gastroenterology  May 1986 
 - 369-71 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9270 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical Competence<br/>Colonic Diseases--diagnosis<br/>Consumer Behavior<br/>Costs and Cost Analysis<br/>Fiber Optic Technology<br/>Humans<br/>Male<br/>Middle Aged<br/>Sigmoidoscopes<br/>Sigmoidoscopy--economics<br/>Time Factors