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. 2008 Aug 29;295(5):L756–L766. doi: 10.1152/ajplung.00146.2007

Fig. 4.

Fig. 4.

Total NOS activity and calcium-independent NOS activity in lung tissue from sham-operated control and shunted lambs at 2, 4, and 8 wk of age. In sham-operated control lambs, total NOS activity did not change from 2 to 8 wk of age (white bars). In shunted lambs, total NOS activity increased from 2 to 8 wk of age (ANOVA) and was greater at 4 and 8 wk of age than at 2 wk of age (black bars). Total NOS activity was greater than calcium-independent NOS activity in both sham-operated control lambs (gray bars) and shunted lambs (crossed bars) at all ages. n = 5 for each group. Values are means ± SD. *P < 0.05 compared with 2-wk shunt; †P < 0.05 compared with calcium-independent NOS activity within each age group; §P < 0.05 compared with 2-wk sham-operated control.