Heinrich, H C <br/><br/>
[Actual points and error possibilities in diagnosis of vitamin B12 deficiency].  [electronic resource] 

 -  Deutsche medizinische Wochenschrift (1946)  Jun 1979 
 - 889 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0012-0472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Vitamin B 12 Deficiency--diagnosis