Allen, John I <br/><br/>
The practice of Gastroenterology and the practice of United States medicine. Preface.  [electronic resource] 

 -  Gastrointestinal endoscopy clinics of North America  Jan 2012 
 - xi-xii p.  digital 
<br/><br/> Publication Type: Editorial; Introductory Journal Article 
<br/><br/><label>ISSN: </label>1558-1950 
<br/><br/><label>Standard No.: </label>10.1016/j.giec.2011.09.005  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gastroenterology<br/>Humans<br/>Patient Protection and Affordable Care Act