Tobacco expenditure by SES
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Siahpush, M., Farazi, P.A., Maloney, S.I. et al. 2017
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Perera, K.M.N., Duminda-Guruge, G.N., Jayawardana, P.L. 2017
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Lavado, R.F., Meyer. M., Postolovska, I. et al. 2017
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Uguru, N.P., Mbachu, C., Ibe, O.P. et al. 2015
![e-lib-feature-image](/fctcapps/sites/default/files/e_library_images/thomas-millot-1297304-unsplash-e1560151441865.jpg)
John, R.M., Ross, H., Blecher, E.H. 2012
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John, R.M., Sung, H.Y., Max, W.B. et al. 2011
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World Health Organization 2011
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Tachfouti, N., Berraho, M., Elfakir, S. et al. 2010