TY - JOUR T1 - Periodic health examination, 1990 update: 3. Interventions to prevent lung cancer other than smoking cessation JF - Canadian Medical Association Journal JO - CMAJ SP - 1289 LP - 1290 VL - 143 IS - 12 AU - D. S. Esdaile Y1 - 1990/12/15 UR - http://www.cmaj.ca/content/143/12/1289.abstract ER -