Berg, M <br/><br/>
Influence of age and ABO blood groups in the precipitation of bleeding peptic ulcers.  [electronic resource] 

 -  Gut  Dec 1969 
 - 1029-30 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0017-5749 
<br/><br/><label>Standard No.: </label>10.1136/gut.10.12.1029  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ABO Blood-Group System<br/>Adolescent<br/>Adult<br/>Age Factors<br/>Aged<br/>Duodenal Ulcer--complications<br/>Humans<br/>Middle Aged<br/>Peptic Ulcer Hemorrhage--etiology<br/>Statistics as Topic