[DETERMINATION OF THE RESIDUAL AIR IN CHRONIC NONSPECIFIC PULMONARY DISEASES (THE HELIUM METHOD)].
D001249:Asthma; D001991:Bronchitis; D006371:Helium; D008171:Lung Diseases; D011656:Pulmonary Emphysema; D011658:Pulmonary Fibrosis; D012129:Respiratory Function Tests
D006371:Helium
ASTHMA; BRONCHITIS; HELIUM; PULMONARY EMPHYSEMA; PULMONARY FIBROSIS; RESPIRATORY FUNCTION TESTS
OPREDELENIE OB''EMA OSTATOCHNOGO VOZDUKHA U BOL'NYKH S KHRONICHESKIMI NESPETSIFICHESKIMI ZABOLEVANIIAMI LEGKIKH (GELIEVY I METOD)