Sillakivi, Toomas <br/><br/>
Perforated peptic ulcer in Estonia :  Epidemiology, risk factors and relations with helicobacter pylori / 
Toomas, Sillakivi. 
 - Tartu :  Univ. Press,  2003. 
 - 123 p.  ill. 
 - Dissertations Medicinae Universitatis Tartuensis  80 .
<br/><br/>Includes bibliogr. references 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine--Internal medicine--Gastric deseases
<br/><br/><label>Subjects--Index Terms: </label>Helicobacter pylori H