RT Journal Article SR Electronic T1 Tobacco use among school personnel in Bihar, India JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 82 OP 83 DO 10.1136/tc.11.1.82 VO 11 IS 1 A1 D N Sinha A1 P C Gupta A1 M S Pednekar A1 J T Jones A1 C W Warren YR 2002 UL http://tobaccocontrol.bmj.com/content/11/1/82.abstract AB