Hu, Y., van Lenthe, F. J., Hoffmann, R., van Hedel, K., & Mackenbach, J. P. (2017). Assessing the impact of natural policy experiments on socioeconomic inequalities in health: How to apply commonly used quantitative analytical methods? BMC Med Res Methodol.

Hu, Yannan, Frank J. van Lenthe, Rasmus Hoffmann, Karen van Hedel, và Johan P. Mackenbach. "Assessing the Impact of Natural Policy Experiments On Socioeconomic Inequalities in Health: How to Apply Commonly Used Quantitative Analytical Methods?" BMC Med Res Methodol 2017.

Hu, Yannan, et al. "Assessing the Impact of Natural Policy Experiments On Socioeconomic Inequalities in Health: How to Apply Commonly Used Quantitative Analytical Methods?" BMC Med Res Methodol 2017.