HON is the founding site of the HONcode for ethical development of health information Web sites. Medical World Search searches selected sites using a powerful thesaurus capability that minimizes the variability of medical terminology. Searchers are able to refine search results and to query other search engines. Thousands of links to full-text resources are provided. Additional resources include searchable drug information and a dictionary.
Optional registration provides several additional search features.
Some of the most popular general search engines are listed below. They can provide very broad, unfiltered retrieval on health-related topics. A few general sites also provide reviews or ratings that may be of use in picking quality resources. AltaVista provides substantial coverage and the capability to do powerful searches. Anyone with the need to do research on the Web regularly will find it useful to become familiar with Alta Vista and its advanced search techniques.