Evans, D A <br/><br/>
Influence of the ABO blood groups and secretor status on bleeding and on perforation of duodenal ulcer.  [electronic resource] 

 -  Gut  Jun 1968 
 - 319-22 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0017-5749 
<br/><br/><label>Standard No.: </label>10.1136/gut.9.3.319  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ABO Blood-Group System<br/>Duodenal Ulcer<br/>Female<br/>Humans<br/>Male<br/>Menorrhagia<br/>Peptic Ulcer Hemorrhage<br/>Peptic Ulcer Perforation<br/>Saliva