Hitzhusen, J C <br/><br/>
Vitamin B12 levels and age.  [electronic resource] 

 -  American journal of clinical pathology  Jan 1986 
 - 32-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9173 
<br/><br/><label>Standard No.: </label>10.1093/ajcp/85.1.32  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Aging<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Radioimmunoassay<br/>Reference Values<br/>Vitamin B 12--blood