RT Journal Article SR Electronic T1 India: states ban oral tobacco JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 291 OP 291 DO 10.1136/tc.11.4.291 VO 11 IS 4 A1 David Simpson YR 2002 UL http://tobaccocontrol.bmj.com/content/11/4/291.1.abstract AB