Prognostic value of neutrophile-to-lymphocyte ratio (NLR) and lactate dehydrogenase (LDH) levels for geriatric patients with COVID-19 U Önal, M Gülhan, N Demirci, A Özden, N Erol, S Işık, S Gülten, F Atalay, ... BMC geriatrics 22 (1), 362, 2022 | 6 | 2022 |