Columbia subject headings:
Analgesia--Congresses.
Counterirritation--Congresses.
Irritants (Drugs)--Congresses.
Pain--Prevention--Congresses.
Stress (Physiology)--Congresses.
Harvard subject headings:
Analgesia--Congresses.
Irritants (Drugs)--Congresses.
Pain--Prevention--Congresses.
Stress (Physiology)--Congresses
Princeton subject headings:
Analgesia--Congresses.
Counter-irritants--Congresses.
Pain--Prevention--Congresses.
Stress (Physiology)--Congresses.