Although C-R functions are available to estimate health effects of exposure to nitrogen oxides
We are able to estimate the health effects of exposure to nitrogen oxides.
Exposure to nitrogen oxides cause no health effects.
The people are all dead.
A person is riding a bike.
Deutsch is the dean of the Rutgers Law School.
The pope commissioned many works of art.
People are out on a sunny day.
As I went out, I caught a glimpse of Mary's eyes.