TY  - RPRT
TI  - Needle exchange.
AU  - N McKeganey
AU  - M Bloor
PY  - 1987
DO  - 10.1016/s0140-6736(87)90579-4
UR  - https://pubmed.ncbi.nlm.nih.gov/2884446/
ID  - 2884446
ER  -