Jeffrey E Harris, Michael J Thun, Alison M Mondul, Eugenia E Calle
Harris J E, Thun M J, Mondul A M, Calle E E.
Cigarette tar yields in relation to mortality from lung cancer in the cancer prevention study II prospective cohort, 1982-8
BMJ 2004; 328 :72
doi:10.1136/bmj.328.7431.72