Hygiene Economic aspects -- See Medical economics Here are entered comprehensive works on the economic aspects of medical service from the point of view of both the practitioner and the public. Works on special aspects of medical economics are entered under specific headings, e.g. Medical care, Cost of.
--subdivision Health and hygiene under occupational groups, e.g. Printers--Health and hygiene; also subdivision Employees--Health and hygiene under types of industries, e.g. Construction industry--Employees--Health and hygiene; and subdivision Health aspects under types of industries, structures, and processes, e.g. Construction industry--Health aspects; Welding--Health aspects
--subdivision Health and hygiene under ethnic groups and classes of persons; and subdivision Health aspects under topics and individual wars, e.g. Recreation areas--Health aspects; World War, 1939-1945--Health aspects