PT - JOURNAL ARTICLE AU - Yankelevitz, David F. TI - Perhaps it is time for a change in policy on lung cancer screening DP - 2007 Jun 01 TA - Cleveland Clinic Journal of Medicine PG - 438--440 VI - 74 IP - 6 4099 - http://www.ccjm.org/content/74/6/438.short 4100 - http://www.ccjm.org/content/74/6/438.full SO - Cleve Clin J Med2007 Jun 01; 74