RT Journal Article SR Electronic T1 Public knowledge and attitudes towards passive smoking JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 2004 OP 2005 VO 26 IS 12 A1 Al-Haddad, Nazar A1 Hamadeh, Randah R. A1 Bahram, Samia A. YR 2005 UL http://smj.org.sa/content/26/12/2004.abstract AB