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:
“The hysterical find too much significance in things. The depressed find too little.”
—Mason Cooley (b. 1927)
“I am using it [the word ‘perceive’] here in such a way that to say of an object that it is perceived does not entail saying that it exists in any sense at all. And this is a perfectly correct and familiar usage of the word.”
—A.J. (Alfred Jules)