“Relaxations to thrombin, SFLLRN, trypsin and SLIGRL were significantly inhibited (P<0.05) to similar extents by the nitric oxide (NO) synthase inhibitor NG‐nitro‐L‐arginine (L‐NOARG; 100 μM) and the NO scavenger oxyhaemoglobin (20 μM), both separately and in combination.”