Columbia subject headings:
Medical care--Russia (Federation)
Medicine--Europe--History--18th century.
Medicine--Russia--History--18th century.
Harvard subject headings:
Medical assistance, European--Russia--History--18th century.
Medical care--Russia (Federation)
Medicine--Europe--History--18th century.
Medicine--Russia--History--18th century.
Princeton subject headings:
Medical care--Russia (Federation).
Medicine--History--18th century--Europe.
Medicine--History--18th century--Russia.