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histamine → Causes → vasodilation	0.35
nitric oxide → Causes → vasodilation	0.33
insulin → Causes → vasodilation	0.28
epinephrine → Causes → vasodilation	0.25
prostaglandin → Causes → vasodilation	0.25
vasodilator → Causes → vasodilation	0.25
heat → Causes → vasodilation	0.23
acetylcholine → Causes → vasodilation	0.23
carbon monoxide → Causes → vasodilation	0.16