RT Journal Article SR Electronic T1 The tobacco health nexus? Health messages in narghile advertisements JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 420 OP 421 DO 10.1136/tc.2009.030148 VO 18 IS 5 A1 Joanna Khalil A1 Robin L Heath A1 Rima T Nakkash A1 Rema A Afifi YR 2009 UL http://tobaccocontrol.bmj.com/content/18/5/420.abstract AB