Figure 2.
The location of the 22 registries and lung cancer mortality rate for people aged ≤ 30 years in Hebei Province from 2010 to 2014. <20.00, 20.01–30.00, 30.01–40.00, 40.01–50.00, 50.01–60.00, 60.01–70.00, and >70.00.
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