Snell, A., Reeves, A., Rieger, M., Galea, G., Mauer-Stender, K., Mikkelsen, B., & Stuckler, D. (2018). WHO Regional Office for Europe’s Natural Experiment Studies Project: An introduction to the series. Eur J Public Health.

Snell, Andrew, Aaron Reeves, Matthias Rieger, Gauden Galea, Kristina Mauer-Stender, Bente Mikkelsen, und David Stuckler. "WHO Regional Office for Europe’s Natural Experiment Studies Project: An Introduction to the Series." Eur J Public Health 2018.

Snell, Andrew, et al. "WHO Regional Office for Europe’s Natural Experiment Studies Project: An Introduction to the Series." Eur J Public Health 2018.