Marshall, Barry <br/><br/>
Commentary: Helicobacter as the 'environmental factor' in Susser and Stein's cohort theory of peptic ulcer disease.  [electronic resource] 

 -  International journal of epidemiology  Feb 2002 
 - 21-2 p.  digital 
<br/><br/> Publication Type: Journal Article; Comment 
<br/><br/><label>ISSN: </label>0300-5771 
<br/><br/><label>Standard No.: </label>10.1093/ije/31.1.21  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cohort Effect<br/>Duodenal Ulcer--epidemiology<br/>Helicobacter Infections--epidemiology<br/>Helicobacter pylori<br/>Humans<br/>Stomach Ulcer--epidemiology