Collecting 48, 000 CT Exams for the Lung Screening Study of the National Lung Screening Trial. - Kenneth W. Clark; David S. Gierada; Guillermo Marquez; Stephen M. Moore; David R. Maffitt; Joan D. Moulton; Mary A. Wolfsberger; Paul Koppel; Stanley R. Phillips; Fred W. Prior (J. Digit. Imaging, 2009)