It is important to get to the Federal Information Sources in many instances where one is researching the background of a particular health care problem. The following are some particularly good access points into these vast information areas.
Many government agencies produce statistics concerning health care matters.
This site is a good introduction to all government statistics. This is a Library of Congress page on Government resources. This is a great intro to the legislative information on the Internet. This is a window into all kinds of government documents. Divided into Agency, Congress, Topics, Law, Library of Congress, Subject and White House.