
Trends in between-country health equity in Sub-Saharan Africa from 1990 to 2011: improvement, convergence and reversal
J. Jin, L. Shi, J. Huang

Secondhand Smoke (SHS) Exposure and Perceived Health Risks of Tobacco Use among Urban Residents in Five Cities in China
P. Redmon, J. Huang, Z. Duan, Y. Duan, J. Li