Resnick, M E <br/><br/>
The passage of blood per anum.  [electronic resource] 

 -  American journal of proctology  Feb 1967 
 - 55-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9521 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anus Diseases--diagnosis<br/>Diagnosis, Differential<br/>Gastrointestinal Hemorrhage--diagnosis<br/>Humans<br/>Melena--etiology