RT Journal Article SR Electronic T1 Cigar smoking JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 114 OP 115 DO 10.1136/tc.8.1.114 VO 8 IS 1 A1 DALLAS ENGLISH YR 1999 UL http://tobaccocontrol.bmj.com/content/8/1/114.abstract AB