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Matrix Plot of Lung Cancer with Variables in Time 1: Particulate Matter 2.5 and 10, Carbon Disulfide, Cyanide compounds, Carbon Monoxide, Diesel Exhaust, Nitrogen Dioxide, Tropospheric Ozone, Sulfur Dioxide. Significance codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1.
