Within-study variation refers to the precision with which a given study estimates the relationship between air quality changes and health effects.
Within-study variation is a measurement of precision
Within-study variation is a measurement of time
Elections were held even though it was possibly rigged.
The lady is standing on the roof.
A woman wearing large correctional glasses and a small hat driving a Coast Gas truck past a rigging unit.
They could not find the records and declared them missing.
The Jewish Quarter has been reconstructed since.
The women are watching tv at home