Thema
Journal Article
2
Randomized Controlled Trial
2
Research Support, Non-U.S. Gov't
2
Early Detection of Cancer - methods
1
Early Detection of Cancer - statistics & numerical data
1
Lung Neoplasms - diagnosis
1
Lung Neoplasms - mortality
1
Lung Neoplasms - radiography
1
Smoking - adverse effects
1
Smoking - epidemiology
1
Sputum - cytology
1
Tomography, Spiral Computed - methods
1
early diagnosis
1
lung neoplasms
1
randomized controlled trial
1
screening
1
spiral computed tomography
1