Kolster, J J <br/><br/>
[Serum pepsinogen I levels in bleeding duodenal ulcer].  [electronic resource] 

 -  G.E.N   
 - 118-24 p.  digital 
<br/><br/> Publication Type: Comparative Study; English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0016-3503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Age Factors<br/>Child<br/>Duodenal Ulcer--blood<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Pepsinogens--blood<br/>Peptic Ulcer Hemorrhage--blood<br/>Radioimmunoassay<br/>Sex Factors