World health statistics annual 1981 
/ World Health Organisation 
 - Geneva:   World Health Organisation,   1977 
 - 471p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Subjects--Index Terms: </label>Health statistics 
<br/><br/><label>Universal Decimal Class. No.: </label>R 616-036.2:312(058)  / M1