Basic documents 
/ World Health Organisation 
 - 12th ed.  
 - Geneva:   World Health Organisation,  1961 
 - 190p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Documents
<br/><br/><label>Subjects--Index Terms: </label>Organisation  
<br/><br/><label>Universal Decimal Class. No.: </label>341.16:61(094)