[Economic evaluation of the health improvement of chronic patients at sanatoria-preventoria].
D002908:Chronic Disease; D004469:Economics, Hospital; D006782:Hospitals, Special; D006801:Humans; D007902:Length of Stay; D010361:Patients; D011315:Preventive Medicine; D014586:USSR
K voprosu ekonomicheskoi otsenki ozdorovleniia khronicheski bol'nykh v sanatorii-profilaktorii.