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Fig. 1 | Environmental Health

Fig. 1

From: Particulate matter exposure and health impacts of urban cyclists: a randomized crossover study

Fig. 1

Quintiles for each individual cycling trial (of the 22 participants with complete heart rate and minute ventilation profiles), normalized across all participants, of the locations of highest and lowest a PNC levels, b Ventilation, c Intake (PNC x Ventilation). The start location is indicated by a diamond and arrows indicate the direction of travel (the Residential route was travelled in both directions)

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