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- [6] On the empirical finding of a higher risk of poverty in rural areas: Is rural residence endogenous to poverty? Reply [J]. JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS, 2005, 30 (02): : 202 - 204
- [8] Risk factors for mortality in chronic obstructive pulmonary disease [J]. ARCHIVOS DE BRONCONEUMOLOGIA, 2007, 43 (08): : 445 - 449