Lung Cancer Early Detection Study
A study to discover the markers for changes that are found only in lung tumors and cancer
National Emphysema Treatment Trial (NETT) Cost-Effectiveness Analysis
A randomized clinical trial of lung volume reduction surgery versus medical therapy for treatment of severe emphysema
Randomized Study to Decrease Smoking in College Students
An intervention designed to reduce the number of college smokers
Youth Smoking Studies
Investigations of smoking prevention, acquisition, and cessation among children, adolescents and young adults