@article{202201.0118, doi = {10.20944/preprints202201.0118.v1}, url = {https://doi.org/10.20944/preprints202201.0118.v1}, year = 2022, month = {January}, publisher = {Preprints}, author = {John T. Braggio and Eric S. Hall and Stephanie A. Weber and Amy K Huff}, title = {Case-Crossover Spatial Lag Grid Differences Between Aerosol Optical Depth-PM2.5 and Respiratory-Cardiovascular Emergency Department Visits and Inpatient Hospitalizations in Baltimore, Maryland, USA: Identification of Homogeneous Spatial Areas}, journal = {Preprints} }