Some reviewers have also noted that the observed mortality associations from the 1980's and 90's may reflect higher pollution exposures from the 1950's to 1960's.
All of the reviewers have failed to spot any mortality associations from the 1980's and 90's.
mnli hypothesis: All of the reviewers have failed to spot any mortality associations from the 1980's and 90's. premise: Some reviewers have also noted that the observed mortality associations from the 1980's and 90's may reflect higher pollution exposures from the 1950's to 1960's.