Table 2. Toxicity of different antibiotic substances on fibroblast (L-929) and SMC of bladder.

	Max concentration at toxicity of level 0(μg/ml)
	L-929	SMC
CPFX	32	32
QAS	32	32
Bmap-28	64	64

SMC smooth muscle cell, QAS quaternary ammonium salt, CPFX ciprofloxacin.