Mostovoy, Y. M., A. V. Demchuk, T. V. Konstantynovych, and K. D. Chichirelo-Konstantynovych. “Chronic Comorbidity of Internal Organs As a Risk Factor of Complications and Fatal Outcome of Community-Acquired Pneumonia”. Medicni Perspektivi, vol. 23, no. 1(part1), Apr. 2018, pp. 112-7, doi:10.26641/2307-0404.2018.1(part1).127248.