Ports designated in application of the international health regulati ons :  situation as on 1 April 1992 / 
World Health Organisation. 
 - Geneva :  WHO ,  1992. 
 - 40p. :  ill ;  21 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9240580131 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable disease control.<br/>Rodents--Control.
<br/><br/><label>National Library of Medicine Call No.: </label>WHO WA110  / P838 1992.