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not sure what's going on in there

BMC Med Res Methodol
However, tobacco is a carcinogen, so any amount of tobacco use is associated with a higher incidence of cancer as compared to nonsmokers

210,538, issued from the United States Patent Office, December 3, 1878, states the ingredients of a substitute to bespikenard, red clover, hyssop, hops, slippery-elm bark, tarred rope, pennyroyal, mullein leaves, kinnikinic, wild cherry bark, and ginseng

Original 24 diameter, beautiful tin litho artwork of old hutch smoking pipe, and open pocket tin at lower left titled Prince Albert The National Joy Smoke
