Table 3.

Histological scoring of lung lesions

	Necrosis	Infiltration	Capillary congestion	Alveolar membrane thickening	Total score
Vehicle	2.31±0.21	2.67±0.29	2.44±0.22	2.29±0.28*	9.46±0.04
KuDOS	1.31±0.16*	1.63±0.16*	1.67±0.19*	1.69±0.17*	6.38±0.1*
PJ34	1.31±0.18*	1.65±0.19*	1.50±0.23*	1.65±0.22*	6.11±0.08*

^*P<0.05.