Brigitta Dombai, Viktória Nagy, István Ruzsics, László Németh, Tamás Balázs, Balázs Sánta, Zsófia Lázár. "Comparison of healthcare costs of patients with COPD on maintenance inhaled therapies between 2011 and 2019 in Hungary using a nationwide database." PLoS ONE (2025). https://doi.org/10.1371/journal.pone.0320949