Decline in the Prevalence of HIV and Sexually Transmitted Infections Among Female Sex Workers in Benin Over 15 Years of Targeted Interventions - Behanzin,L; Diabate,S; Minani,I; Boily,M-C; Labbe,A-C; Ahoussinou,C; Anagonou,S; Zannou,DM; Lowndes,CM; Alary,M (JAIDS-JOURNAL OF ACQUIRED IMMUNE DEFICIENCY SYNDROMES, 2013)