Absentee and Economic Impact of Low-Level Fine Particulate Matter and Ozone Exposure in K-12 Students. - Daniel L. Mendoza; Cheryl S. Pirozzi; Erik T. Crosman; Theodore G. Liou; Yue Zhang; Jessica J. Cleeves; Stephen C. Bannister; William R. L. Anderegg; Robert Paine III (CoRR, 2020)