SMITH, E L <br/><br/>
The vitamin B12 group of factors.  [electronic resource] 

 -  British medical journal  Jan 1951 
 - 151-2 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-1447 
<br/><br/><label>Standard No.: </label>10.1136/bmj.1.4699.151  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corrinoids<br/>Humans<br/>Vitamin B 12<br/>Vitamin B Complex