Gradil’, G., G. Gubina-Vakulik, E. Mogilenets, N. Anciferova, L. Amelina, and I. Yurchenko. “Influenza A (H1N1) Pdm, Acute Respiratory Distress Syndrome or Pneumonia: Comparative Clinical-Morphological Analysis of Two Lethal Cases”. Experimental and Clinical Medicine, Vol. 69, no. 4, Aug. 2020, pp. 64-73, https://ecm.knmu.edu.ua/article/view/611.