Healthlinks - Directory of professional healthcare sites, with a searchable directory, newsletter, forums, chatrooms, continuing education and classified ads.

Doctor's Guide to the Internet - Has professional and patient editions containing news, medical information and resources.

Medscout - Huge list of links to medical and health information.

HealthCareHR - Guide to professional sites and news.

AIS Health Web - Develops targeted news, data and strategic information in hospitals, managed care plans, medical companies and other health organizations.

National Academy of Sciences, Institute of Medicine - The institute provides information and advice concerning health and science policy.

Health Directory Worldwide - A comprehensive professional health directory with credible medical information content specializing in on-line physician directories for medical societies and medical market industry.

Health Resource Partners - Connecting the Healthcare Community - An information clearinghouse for professionals and resource for employment, training, education and events.

Managed Care On-Line - Information resources for professionals involved with managed care.

Mioti - Large list of professionally oriented links.

Medic8.com - UK medical portal for healthcare professionals. Offers specialty sites, databases, journals, online textbooks, organizations and jobs.

Lab Test Interpretation - Explanation of commonly ordered clinical lab tests.

Medsite - Medical search engine and portal for medical and health information.

MedWeb - Large searchable database of internet health resources.

Evidence-Based Medicine - University of Massachusetts Medical School site providing tutorials and links to database resources.

Volc-R - A collection of medical links and resources for healthcare providers. Includes evidence-base medicine, managed care and continuing education resources.

Health Info - Portal to a wide variety of healthcare resources for professionals and consumers.

The Doctor's Lounge - Offers news, articles, software, forum, chat, humor, and Medline search. [Some areas require Internet Explorer]

Timely Topics in Medicine - Interactive medical information in a multicultural, multilanguage setting. Features include access to original articles and case reports, news and multimedia webcasts from major conferences, telesymposia and Medline.

Med-E-Serv - Australian community for health professionals with accredited online education, professional development, conferences, group collaborations, and useful information.

Health Pages - Consumer ratings of physicians, dentists, hospitals and HMOs across the USA.

MDPitstop - Health and medical technology guide for physicians, medical students and consumers. Buy medical textbooks, learn about conditions and find medical technology solutions.

eHealthCoach - Online companion to the print newsletter. Offers advice and resources to medical professionals in an unbiased, easy-to-navigate format.

Managed Care Insider eNews - Free monthly electronic newsletter for health care providers/professionals providing insight and analysis of the managed health care industry.

Differential Diagnoses in General Medicine - A resource for doctors and medical students. Contains over 400 lists of differential diagnoses in various topics in medicine.

Emedicine - Directory of free online medical textbooks for physicians, veterinarians, medical students, physician assistants, nurse practitioners, nurses and the public. Up-to-date, searchable, peer-reviewed medical textbooks.

Interactive Health - Guide to Interactive Health and ehealth research, products, applications and organizations.

Empowermed, Inc. - A health and medical information service creating completely customized health and medical research reports. Providing traditional and alternative health and medical knowledge to clients.

The Med-Psych Network - Offers information about medicine and psychiatry, specifically related to combined medicine-psychiatry residency programs. Includes a directory of links to various medical and psychiatric sites.

Center for the Health Professions - Policy research center of the University of California - San Francisco. Resources available include workforce studies, curricula, sub-granting and program participation, publications about all health professions.

Quick Refrence for Treatment of Pesticide Poisoning - Contains treatment outlines for the most commonly used pesticides in Pakistan. A quick guide for emergency treatment for cases of acute pesticides poisoning meant for use by qualified medical practitioners, doctors and physicians.

HealthNet - UK based portal for health care professionals.

Medem.com - An e-health network physician web site service.

MDchoice.com - Medical search engine with related information for healthcare professionals. Includes a patient simulator and photo rounds.

HealthLeaders.com - Medical portal for health professional. Offers news, chat and databases.

National Heart Lung and Blood Institute - Provides information and practical resources for health professionals for identifying, assessing, and treating cardiovascular disease, asthma, and sleep disorders.

DrsReference Site - Medical reference site aimed at doctors. Australian site but of worldwide interest. Includes medical publications, medical texts, Medline and conferences.

Steps Toward a Universal Patient Record - An online book about how to develop an automated patient medical record that could evolve into a universal patient record.

PDA Medical Solutions- Home - Providing the medical community with essential, accurate medical information for the Palm Pilot OS, PDA platform. All in a user friendly, easy access, menu driven format.

Praxis.MD - An online clinical reference providing targeted recommendations on diagnosis, treatment and prevention.

Meditune - Links and resources for doctors. Contains medical information and articles, news and virtual case sheets.

MedServ - Information and news to medical professionals worldwide. Intended for the medical community and the medical profession.

MedExact - A database offering treatment information for physicians, comprised of disease information, drug monographs, clinical practice guidelines and algorithms aggregated from disease based organizations and government agencies. Registration (free to all licensed physicians) required.

UKMiCentral - Intended principally for healthcare professionals in primary and secondary care. Includes new drugs, prescribing support, guidelines, therapeutics, enquiries, links and a search feature.

Greater South Eastern Division of General Practice - An organization that provides services and a focal point to help General Practitioners work better. Includes programs, events, a newsletter, a library, software, services and links.

AssociaMed - Content and collaborative site for medical doctors and scientists featuring a medical spellchecker, file sharing, whiteboard and chat facilities.

US State Licensure and DEA Information - Includes radiology oral boards review books and licensing information.

National Health Observation Dates - An alphabetized list of health observation and recognition dates for the health, medical and hospital industry. Dates for both public awareness of healthcare issues as well as recognition dates for healthcare professionals.

National Health Observances - Offered by the Centers for Disease Control and Prevention, a monthly list.

NSW Health - Health Promotion Branch - Provides on-line access to health promotion information for practitioners, researchers, students and consumers. Includes case studies, contact lists, better practice guidelines, info on new campaigns/research and links to health promotion web sites.