コクランレビューで見つけた。 Goss CW, Van Bramer LD, Gliner JA, Porter TR, Roberts IG, DiGuiseppi C. Increased police patrols for preventing alcohol‐impaired driving. Cochrane Database of Systematic Reviews 2008, Issue 4. Art. No.: CD005242. DOI: 10.1002/14651858.CD005242.pub2. Accessed 24 April 2022. https://www…