Table 3.

Acute smoke model

	Baseline	Smoking three cigarettes	5 min	2 h	24 h	6 weeks
Exhaled CO	x		x	x	x	x
Blood	x			x
Exhaled breath condensate	x		x	x
Urine	x			x	x
Bronchial Biopsies					x	x
Epithelial brush					x	x
Microsampling probe (ELF)					x	x