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1471-2458-11-586
1471-2458-11-586
https://scigraph.springernature.com/pub.10.1186/1471-2458-11-586
Prevalence of COPD and its association with socioeconomic status in China: findings from China Chronic Disease Risk Factor Surveillance 2007.
P2888
20c561ad814d358c57a66781026360c79b8b8382
P854
Q33968963-CABE1CD3-15F5-4F8A-A677-40B435D14396
P2888
1471-2458-11-586
https://scigraph.springernature.com/pub.10.1186/1471-2458-11-586