Columbia subject headings:
Harvard subject headings:
Deutsche Gesellschaft für Innere Medizin. Kongress--History.
Deutsche Gesellschaft für Innere Medizin--History.
Deutsche Gesellschaft für Innere Medizin.
Internal medicine--Germany--History.
Internal medicine--History.
Internistenkongress--History.
Medicine--Research--Germany--History.
Princeton subject headings:
Deutsche Gesellschaft für Innere Medizin. Kongress--History.
Internal medicine--Germany--History.
Medicine--Research--Germany--History.