A study on HIV, Syphilis, and Hepatitis B and C virus infections among female sex workers in the Republic of Congo oleh Fabien Roch Niama, Nadia Claricelle Loukabou Bongolo, Pembe Issamou Mayengue, Franck Fortuné Mboussou, Edith Sophie Kombo Bayonne, Florian Michael Kouckodila Nzingoula, Louis Regis Dossou-Yovo, Igor Louzolo, Mandingha Kosso Etoka-Beka, Achile Lanzy, Irène Yameogo, Davy Louvouezo, Simon Charles Kobawila, Marie-Francke Puruhence, Henri Joseph Parra