@article{202105.0563, doi = {10.20944/preprints202105.0563.v1}, url = {https://doi.org/10.20944/preprints202105.0563.v1}, year = 2021, month = {May}, publisher = {Preprints}, author = {Ryan Sadjadi}, title = {The Incidence of Community-Acquired Pneumonia in the Elderly Population of the United States of America: A Systematic Review and Meta-Analysis}, journal = {Preprints} }