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Upper-middle-income economies
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Iglesias, R.M., Jha, P., Pinto, M. et al. 2007
Bishop, J.A., Liu, H., Meng, Q. 2007
Mao, Z., Sung, H.Y., Hu, T.W. et al. 2007
Mao, Z., Sung, H.Y., Hu, T.W. et al. 2006
Liu, Y., Rao, K., Hu, T.W. et al. 2006
Wen, C.P., Peterson, R.A., Cheng, T.Y. et al. 2006
Gallus, S., Schiaffino, A., La Vecchia, C. et al. 2006
Gallus, S., Schiaffino, A., La Vecchia, C. et al. 2006
Centers for Disease Control and Prevention 2006
