[Effectiveness of various methods of investigation in the early diagnosis of primary bronchopulmonary cancer].
D002277:Carcinoma; D002283:Carcinoma, Bronchogenic / Q000175:diagnosis*; D042241:Early Diagnosis; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D009369:Neoplasms
CARCINOMA, BRONCHOGENIC/diagnosis; LUNG NEOPLASMS/diagnosis