... to gather additional NEP return rate data Overall, however, database searches yielded the bulk of the return rate data Abstracts of conference papers were also obtained, and an attempt was made ... return rate analysis Nigro L, Casciaro A, Matalone M, Aoisio P, Bruno S: Feasibility in needle exchange programme: An evaluation of a pilot programme in Catania, Sicily International Journal of Drug ... in return rate analysis Hart G, Carvell A, Woodward N, Johnson A, Williams P, Parry J: Evaluation of needle exchange in central London: Behaviour change and anti-HIV status over one year AIDS...