Here are entered works on basic or general health care provided usually by a family or general practitioner, internist, pediatrician, obstetrician, gynecologist, physicians' assistant, or nurse practitioner. Works on essential health care made universally accessible to individuals and families in the community by means acceptable to them, through their participation, and at a cost that the community or country can afford are entered under Primary health care.
--subdivision Metabolism under individual animals and groups of animals, individual chemicals and groups of chemicals, and individual organs and regions of the body, e.g. Cattle--Metabolism; Fishes--Metabolism; Copper--Metabolism; Heart--Metabolism
Here are entered collections of documents, records, etc. upon which narrative history is based. --subdivision History--Sources under names of countries, cities, etc., and individual corporate bodies, and under classes of persons, ethnic groups, and topical headings that are not inherently historical; and subdivision Sources under historical topics, e.g. Renaissance--Sources