For example, a hypothetical study conducted in New York and one conducted in Seattle may report different C-R functions for the relationship between PM and mortality, in part because of differences between these two study populations (e.g.
A study based in Seattle may yield different results than that in New York due to the difference in demographics.
Studies in different regions will always give the same results.
Adding chlorine to water is completely unsafe and has never been practiced.
The Food
Sergeant Muller appeared to be in charge so he will come here.
A biker pedals his bicycle down the sidewalk.
the lady is dancing around
There is no discrimination against short legged dogs.