| If these exposure times do not produce the desired effect, change the lens aperture and test again. |
| A person may develop symptoms after exposure to a substance without necessarily being allergic to it. |
| Swings get wilder for the same overall exposure when bettors vary their wagers. |
| Within the indoor environment, the perceived odor will often result from exposures to a mixture of several odorants. |
| Such exposures resulted in decreased verbal attention, visual memory, motoricity, and affectivity. |
| The etiology of asthma is unknown, but it has been linked to occupational exposures, genetics, and environmental factors. |
