https://www.bu.edu/sph/news/articles/2021/lottery-based-incentives-do-not-increase-covid-19-vaccination-rates/
Lottery-Based Incentives Do Not Increase COVID-19 Vaccination Rates | SPH
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https://www.blm.gov/arizona/public-room/fact-sheet/coyote-buttes-north-wave-tips-new-mobile-based-daily-lottery
Coyote Buttes North (The Wave) tips for the new mobile-based daily lottery | Bureau of Land...