Condom use within non-commercial partnerships of female sex workers in southern India oleh Deering Kathleen N, Bhattacharjee Paranita, Bradley Janet, Moses Stephen S, Shannon Kate, Shaw Souradet Y, Washington Reynold, Lowndes Catherine M, Boily Marie-Claude, Ramesh Banadakoppa M, Rajaram S, Gurav Kaveri, Alary Michel