Table 1. Pathological damage score of lung in each group.

	Con	Pac	Pac + Pare	Pare
Score	0.5 ± 0.15	2.6 ± 0.29a	0.7 ± 0.25b	0.6 ± 0.14b

^aCompared with the other groups, p < 0.01.

^bCompared with Con group, there was no significant different; Pare group was no difference with Pac + Pare group. Data were presented as .