Exposure to air pollution and tobacco smoking and their combined effects on depression in six low- and middle-income countries

as printed: Yanfei Guo

as printed: Yang Zheng

as printed: Aaron Salinas-Rodriguez

• University of Ghana (GH)

as printed: Alfred E. Yawson

as printed: Perianayagam Arokiasamy

as printed: Betty Soledad Manrique-Espinoza

• University of Ghana (GH)

as printed: Richard B. Biritwum

• Human Sciences Research Council (ZA)

as printed: Stephen P. Rule

as printed: Nadia Minicuci

as printed: Nirmala Naidoo

as printed: Somnath Chatterji