Kentucky Outreach Service Kiosk (KyOSK) Study protocol: a community-level, controlled quasi-experimental, type 1 hybrid effectiveness study to assess implementation, effectiveness and cost-effectiveness of a community-tailored harm reduction kiosk on HIV, HCV and overdose risk in rural Appalachia. - Young AM; Havens JR; Cooper HLF; Fallin-Bennett A; Fanucchi L; Freeman PR; Knudsen H; Livingston MD; McCollister KE; Stone J; Vickerman P; Freeman E; et al. (BMJ open, 2024)