Significance and Usage
Quantification of pack years smoked is important in clinical care where degree of tobacco exposure is closely correlated to risk of disease.
Read more about this topic: Pack Year
Famous quotes containing the words significance and/or usage:
“History is the interpretation of the significance that the past has for us.”
—Johan Huizinga (1872–1945)
“Pythagoras, Locke, Socrates—but pages
Might be filled up, as vainly as before,
With the sad usage of all sorts of sages,
Who in his life-time, each was deemed a bore!
The loftiest minds outrun their tardy ages.”
—George Gordon Noel Byron (1788–1824)