M. ZUBIASHVILI, N. KAKAURIDZE, P. MACHAVARIANI, and T. ZUBIASHVILI, “SURFACTANT (SP-D) AND LUNG FUNCTIONAL DATA RELATIONSHIP WITH ECHOCARDIOGRAPHIC INDICATORS OF HEART ISCHEMIC AND CHRONIC OBSTRUCTIVE PULMONARY DISEASES”, jecmg, no. 1, pp. 35–48, Mar. 2024.