RT Journal Article SR Electronic T1 HAVE NATIONAL SMOKING BANS WORKED IN REDUCING HARMS IN PASSIVE SMOKING? JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 186 OP 186 VO 21 IS 2 YR 2016 UL http://nsj.org.sa/content/21/2/186.abstract AB