Sommer, Alfred <br/><br/>
Vitamin: a deficiency and its consequences:a field guide to detection and control  Alfred Sommer. 

 - 3rd ed. 
 - Geneva  W.H.O.  1995 
 - vii, 69p., ill. 24cm. 
<br/><br/><label>ISBN: </label>92415447783 
<br/><br/><label>Dewey Class. No.: </label>616.3905,  / S61V