[Structure of roentgenological studies as an index of roentgen-diagnostic activity].
D002031:Bulgaria; D006801:Humans; D009934:Organization and Administration; D011859:Radiography; D011871:Radiology; D013679:Technology, Radiologic; D000078329:Workforce
Struktura rentgenologicheskikh issledovaniĭ kak pokazatel' rentgenodiagnosticheskoĭ deiatel'nosti.