Columbia subject headings:
Central nervous system--Congresses.
Drug receptors--Congresses.
Neural receptors--Congresses.
Neurotransmitter receptors--Congresses.
Harvard subject headings:
Central nervous system--Congresses.
Drug receptors--Congresses.
Neural receptors--Congresses.
Neurotransmitter receptors--Congresses.
Princeton subject headings:
Central nervous system--Congresses.
Drug receptors--Congresses.
Neural receptors--Congresses.
Neurotransmitter receptors--Congresses.