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Relative change in intracellular calcium (Δ[Ca2+]i) for bradykinin (0.1 nM, 1 nM, 3 nM and 10 nM), NS309 (1 µM), NS309 (1 µM) + bradykinin (BK, 3 nM), CyPPA (6 µM) and CyPPA (6 µM) + BK (3 nM) in endothelial cells from porcine retinal arterioles. Results are mean ± SEM (n = 4–6). Wilcoxon matched pair test, *P < 0.05 from zero [Ca2+]i.
