RT Journal Article SR Electronic T1 Taxing moist snuff by weight ain’t worth spit JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 69 OP 69 DO 10.1136/tc.2006.018127 VO 16 IS 1 A1 C Delnevo A1 M J Lewis A1 J Foulds YR 2007 UL http://tobaccocontrol.bmj.com/content/16/1/69.1.abstract AB