coffee and cigarettes criterion (Short 1986) Coffee and Cigarettes : Bill
Description
The basic rule is that you have to clock out for the smoking break

Tobacco companies aggressively pursued customers

When you smoke, nicotine is absorbed through your lungs

The oxidation of the bupropion side chain leads to the production of a glycine conjugate of metachlorobenzoic acid, which is primarily expelled as the main urinary metabolite, with glucuronidated metabolites also being found in urine
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Goniewicz, M