The Golden Ham (Simon & Schuster, 1956)
One could make similar remarks about chewing tobacco
If you want to know how many packs (PL) or cigarettes (CL) you have already smoked in your life, use the formula: PL = (Cigarettes per day/Pack_size) 365.24 Years CL = Cigarettes per day 365.24 Years Example of pack year calculation One pack year is equivalent to smoking 20 cigarettes a day for one year (1 pack 1 year)
they have been inappropriate for quasi-experimental impact evaluations (modelled data), held privately by companies (proprietary data), or widely dispersed across many national statistical agencies and research organisations (disaggregated data)
Additionally, children and adolescents may be more sensitive to chemical exposures, more likely to suffer from GTS, and may suffer more serious health effects than adults
the former is the centre of a lively tobacco trade, and the latter is the point whence one takes the railroad to Statesville and Morganton, the charming towns at the outer line of the mountain region