Malakauskas, K., V. Floreskul, M. Štelemėkas, and R. Ivanauskienė. “Direct Medical Costs of Newly Diagnosed Cases of Chronic Obstructive Pulmonary Disease in Lithuania”. Pulmonology and Allergology, Vol. 2, no. 2, Sept. 2018, pp. 136-41, doi:10.37499/PIA.169.