Assertion: ozone's concentration | /r/AtLocation | figure
Facets:
value: after ozone exposure
type: TEMPORAL
Source sentences:
text: As seen in Figure 13, after ozone exposure, the concentration of HDM needed to cause a 20% fall in FEV1 was reduced compared to the air exposure, suggesting that people with asthma would have a greater response to environmental levels of HDM following ozone exposure.