RT Journal Article SR Electronic T1 Early history of LGBT tobacco control: CLASH at 25 JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 502 OP 503 DO 10.1136/tobaccocontrol-2016-053273 VO 25 IS 5 A1 Naphtali Offen A1 Elizabeth A Smith A1 Bob Gordon YR 2016 UL http://tobaccocontrol.bmj.com/content/25/5/502.abstract AB