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. 2011 Jul 26;101(1):28–39. doi: 10.1159/000326270

Fig. 1.

Fig. 1

Changes in diameter in response to zaprinast at basal (a, c) and elevated (b, d) tone in PRAs from 3 and 10 day exposure groups of piglets (a 7 arteries from normoxic and 6 arteries from hypoxic piglets of the 3 day exposure group studied at basal tone; b 9 arteries from normoxic and 12 arteries from hypoxic piglets of the 3 day exposure group studied at elevated tone; c 11 arteries from normoxic and 11 arteries from hypoxic piglets of the 10 day exposure group studied at basal tone; d 13 arteries from normoxic and 8 arteries from hypoxic piglets of the 10 day exposure group studied at elevated tone).