Shoushtari, A. H., and K. Nugent. “Diagnosis and Treatment of Adults With Community-Acquired Pneumonia. An Official Clinical Practice Guideline of the American Thoracic Society and Infectious Diseases Society of America”. The Southwest Journal of Medicine, Vol. 8, no. 33, Feb. 2020, pp. 1-6, doi:10.12746/swrccc.v8i33.625.