TABLE 1.

Histological Assessment of PCLS Exposed to Phortress (Average ± SEM)

Day	NSC 710305	%Viability		ED-1 scores
		Alveoli	Bronchi
1	0	89.2±2.0	95.0±0.0	32.0±3.0
7	0	81.0±1.0	90.0± a	41.5±2.8
	25	69.2±1.5	86.7±2.5	53.8±4.5
	50	45.0±6.2	51.7±12.8	53.1±4.2
	100	26.0±2.4	21.7±16.7	57.3±4.2

^aControl group bronchi % viability at day 7 had only two slices evaluable for bronchi viability (no SEM possible).