website introduction：UK medical portal for healthcare professionals. Offers specialty sites, databases, journals, online textbooks, organizations and jobs.
website introduction：Consumer medical search engine comprising articles, patient support groups, glossary, questions and answers.
website introduction：Simultaneously search multiple life sciences databases at the National Center for Biotechnology Information (NCBI).
website introduction：Search several resources simultaneously for medical terminology, medical abbreviations, journals, and drug names.
website introduction：This tool has the ability to query other search engines, also provides a discussion forum, medical spelling and drug acronym devices. All users must register and pay annual membership fee.
website introduction：The National Library of Medicine Gateway allows users to search in multiple retrieval systems at the U.S. National Library of Medicine.
website introduction：A tool from Health on the Net that searches the full text of 60,000 medical documents. Searches can be narrowed by location or type of source.
website introduction：Dr. Claudia Krenz provides search boxes and instructions for specialist search tools, mainly maintained by the National Library of Medicine.