Additionally, we have not quantified a number of known or suspected health effects linked with PM and ozone for which appropriate concentration-response functions are not available or which do not provide easily interpretable outcomes (i.e.
The outcomes aren't easy to interpret.
mnli hypothesis: The outcomes aren't easy to interpret. premise: Additionally, we have not quantified a number of known or suspected health effects linked with PM and ozone for which appropriate concentration-response functions are not available or which do not provide easily interpretable outcomes (i.e.