RT Journal Article SR Electronic T1 Changes in prevalence of and attitudes to restrictions on smoking in the workplace among indoor workers in the state of Victoria, Australia, 1988-90 JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 19 DO 10.1136/tc.1.1.19 VO 1 IS 1 A1 R. Borland YR 1992 UL http://tobaccocontrol.bmj.com/content/1/1/19.abstract AB