Abstract
In this article, the last in a four-part series on the Internet, medical resources on the Internet and the means of locating them are described. In addition, a discussion is also provided on how clients and servers, primarily those on the World Wide Web (WWW), interact to retrieve and display information. After reading this article, a technologist should be able to: understand why different programs for a given Internet service can produce different results; describe methods for locating information on the Internet; and name the most important nuclear medicine sites on the Internet.