[Bronchial tumors with negative x-ray findings].
D001980:Bronchi; D001984:Bronchial Neoplasms; D001999:Bronchoscopy; D006801:Humans; D009369:Neoplasms; D014965:X-Rays
BRONCHI/neoplasms; BRONCHOSCOPY
Bronchialtumorer med negativt røntgenfund.