U.S. government policies on health care have changed during the past 20 years; this change in policy has made hospitals currently function as oligopolies.
1. on-line catalog to find books
2. magazines & journals/ indexes & abstracts
3. newspaper indexes
4. reference books
5. Library of Congress Subject Heading Index
6. Internet resources
7. knowledgeable people
8. interlibrary loan
9. reference librarian