Marcus, David M <br/><br/>
Small cell carcinoma of the anus in the setting of prior squamous dysplasia and carcinoma in situ.  [electronic resource] 

 -  Journal of gastrointestinal oncology  Jun 2013 
 - E1-4 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>2078-6891 
<br/><br/><label>Standard No.: </label>10.3978/j.issn.2078-6891.2012.063  doi