TY - RPRT TI - Evaluating effectiveness of syringe exchange programmes: current issues and future prospects. AU - F I Bastos AU - S A Strathdee PY - 2000 DO - 10.1016/s0277-9536(00)00109-x UR - https://pubmed.ncbi.nlm.nih.gov/11128265/ ID - 11128265 ER -