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Figure 1 | Environmental Health

Figure 1

From: Association of air pollution and use of glyceryl trinitrate against angina pectoris: a population-based case-crossover study

Figure 1

Map of the location of NO 2 , O 3 , PM 10 , and H 2 S measurement device (GRE). The measurement location is by the Grensasvegur-Miklabraut intersection in the Reykjavik capital area of Iceland. Dotted line indicates the boundary of the capital area and circles indicate point sources of H2S emissions, the Hellisheidarvirkjun and Nesjavallavirkjun power plants.

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