| GSTs | Glutahione S transferaese genes |
| GSTT1 | Glutahione S transferaese theta1 |
| GSTM1 | Glutahione S transferaese mu1 |
| GSTP1 | Glutahione S transferaese pi1 |
| MACS | Melbourne Atopy Cohort Study |
| NO2 | Nitrogen dioxide |
| ROS | Reactive Oxygen Species |
| TRAP | Traffic Related Air Pollution |