Ratnasingham, Kumaran <br/><br/>
The role of colonoscopy and CT colonography in patients presenting with symptoms of constipation.  [electronic resource] 

 -  The British journal of radiology  May 2017 
 - 20160147 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>1748-880X 
<br/><br/><label>Standard No.: </label>10.1259/bjr.20160147  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Colonography, Computed Tomographic--adverse effects<br/>Colonoscopy--adverse effects<br/>Constipation--diagnosis<br/>Cost-Benefit Analysis<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Retrospective Studies<br/>Sensitivity and Specificity