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Bollyky, Thomas J., Tara Templin, Matthew Cohen, Diana Schoder, Joseph L. Dieleman, và Simon Wigley. "The Relationships between Democratic Experience, Adult Health, and Cause-specific Mortality in 170 Countries between 1980 and 2016: An Observational Analysis." Lancet 2019.

Bollyky, Thomas J., et al. "The Relationships between Democratic Experience, Adult Health, and Cause-specific Mortality in 170 Countries between 1980 and 2016: An Observational Analysis." Lancet 2019.