TABLE 1.

Drug concentrations in plasma of volunteers^a

Time (h) after drug intake	Mean ± SD concn (μg/ml)
	Linezolid	Ciprofloxacin
1	11.80 ± 2.03	2.40 ± 0.6
2	12.04 ± 2.20	1.64 ± 0.47
3	10.56 ± 2.43	1.14 ± 0.27
4	9.28 ± 2.20	0.87 ± 0.22
6	7.03 ± 1.63	0.54 ± 0.13
12	3.25 ± 1.02	0.16 ± 0.06
24	0.92 ± 0.49	0.03 ± 0.01

^aA total of 12 volunteers were tested.