Pulmonary damage in a patient with hairy cell leukemia - infectious involvement or hematological disease activity? Case report. - Ecsiova D; Kamaradova K; Nova M; Hoffmann P; Rozsivalova P; Simkovic M; Zak P (Biomedical papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia, 2023)