Columbia subject headings:
Harvard subject headings:
Medicine--China--History--Congresses.
Medicine--Europe--History--Congresses.
Medicine--Japan--History--Congresses.
Science--China--History--Congresses.
Science--Europe--History--Congresses.
Science--Japan--History--Congresses.
Technology--China--History--Congresses.
Technology--Europe--History--Congresses.
Technology--Japan--History--Congresses.
Princeton subject headings:
Medicine--China--History--Congresses.
Medicine--Europe--History--Congresses.
Medicine--Japan--History--Congresses.
Science--China--History--Congresses.
Science--Europe--History--Congresses.
Science--Japan--History--Congresses.
Technology--China--History--Congresses.
Technology--Europe--History--Congresses.
Technology--Japan--History--Congresses.