Bull. Spec. CORESTA Symposium, Kallithea, 1990, p. 219, S13, ISSN.0525-6240
Study of the effect of various factors on the composition of cigarette smoke
Tobacco Research Institute, Plovdiv, Bulgaria.
The total reduction of the substances contained in tobacco smoke depends on the combined action of several factors. Furthermore, the total reduction is not simply the sum of the individual reductions resulting from the effects of each factor. Because...