mortazavi, H.- sadat et al. 2019. Frequency of Influenza-A-H1N1 in Patients with Community-Acquired Pneumonia Admitted to Loghman Hakim Hospital. Novelty in Biomedicine. 7, 1 (Jan. 2019), 1–9. DOI:https://doi.org/10.22037/nbm.v7i1.23370.