Bonell, Chris <br/><br/>
By any means necessary? :  reflecting on how HIV prevention interventions work and the changes they bring about / 
Chris Bonell ... [et al.]. 
 - London :  Sigma Research :  CHAPS,  2000 
 - 19 p. ;  30 cm 
<br/><br/> Briefing paper. 
<br/><br/><label>ISBN: </label>