PT - JOURNAL ARTICLE ED - Prince Sultan Military Medical City TI - HAVE NATIONAL SMOKING BANS WORKED IN REDUCING HARMS IN PASSIVE SMOKING? DP - 2016 Apr 01 TA - Saudi Medical Journal PG - 469--469 VI - 37 IP - 4 4099 - http://smj.org.sa/content/37/4/469.short 4100 - http://smj.org.sa/content/37/4/469.full SO - Saudi Med J2016 Apr 01; 37