Columbia subject headings:
Blood-vessels--Diseases--Congresses.
Cardiovascular agents--Congresses.
Myoneural junction--Congresses.
Vascular smooth muscle--Congresses.
Vasomotor system--Congresses.
Harvard subject headings:
Blood-vessels--Diseases--Congresses.
Cardiovascular agents--Congresses
Myoneural junction--Congresses.
Vascular smooth muscle--Congresses.
Vasomotor system--Congresses.
Princeton subject headings: