Henderson, Laurie <br/><br/>
Managing uncertainty :  risk and unprotected anal intercourse among gay men who do not know their HIV status / 
Laurie Henderson ... [et al.]. 
 - London :  Community  HIV and AIDS Prevention Strategy,  c2001 
 - 37 p. ;  30 cm 
<br/><br/> Sul front.: Original Research Report. 
<br/><br/><label>ISBN: </label>1872956637