Abstract
The author's supplementary comment on the original publication which apeared on pp. 307 to 311 of volume 5 of the “Beiträge zur Tabakforschung” (1969-1970).
The author's supplementary comment on the original publication which apeared on pp. 307 to 311 of volume 5 of the “Beiträge zur Tabakforschung” (1969-1970).
© 2014 D. Butters, published by Institut für Tabakforschung GmbH
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