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Chronic kidney disease (CKD) is considered a serious worldwide public health problem, but data from developing countries are extremely limited.Cross-sectional study.A representative sample of 13,925 adults in Beijing, China.Age (18 to 39, 40 to 59, 60 to 69, and >70 years), sex, urban or rural area, history of chronic respiratory infection and cardiovascular disease, hepatitis B virus infection,...
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