MŁODOŻENIEC, A.; ORŁOWSKA-FLOREK, R.; CZARNOŻYCKA-WRÓBEL, A.; GARGASZ, K.; GALA-BŁĄDZIŃSKA, A. Nonthyroidal illness syndrome as independent predictor of hospital mortality in the elderly hospitalized patients with COVID-19 pneumonia – single-center observation. European Journal of Clinical and Experimental Medicine, [S. l.], v. 20, n. 3, p. 348–354, 2022. DOI: 10.15584/ejcem.2022.3.14. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/11971. Acesso em: 28 dec. 2025.