Guidelines for conducting HIV sentinel serous surveys among pregnant women and other groups / 
World Health Organization, Joint United Nations Programme on HIV/AIDS. 
 - Geneva :  World Health Organization,  2004. 
 - 66 p. ;  28 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>92-4-159140-4 92-9-173287-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HIV infections--epidemilogy<br/>HIV seroprevalence<br/>AIDS serodiagnosis<br/>Sentinal surveillance<br/>Pregnant women<br/>Vulnerable populations<br/>Guidelines