Columbia subject headings:
Brain--Blood-vessels--Innervation--Congresses.
Neurotransmitters--Physiological effect--Congresses.
Harvard subject headings:
Brain--Blood-vessels--Innervation--Congresses.
Neurotransmitters--Physiological effect--Congresses.
Princeton subject headings:
Brain--Blood-vessels--Innervation--Congresses.
Neurotransmitters--Physiological effect--Congresses.