[On preliminary radiotherapy of bronchial carcinoma].
D001980:Bronchi; D001984:Bronchial Neoplasms; D002283:Carcinoma, Bronchogenic; D003035:Cobalt; D003037:Cobalt Radioisotopes; D009369:Neoplasms; D011851:Radioactivity
D003037:Cobalt Radioisotopes; D003035:Cobalt
BRONCHI/neoplasms; COBALT/radioactive