RT Journal Article SR Electronic T1 The control and manipulation of nicotine in cigarettes JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 362 DO 10.1136/tc.3.4.362 VO 3 IS 4 A1 Kessler, D. A. YR 1994 UL http://tobaccocontrol.bmj.com/content/3/4/362.abstract AB