General Information
MEDLINEplus
MEDLINEplus en Espannol
MEDLINEplus--Go Local Massachusetts
PubMed

AllRefer Health
Current-med.com
Diagnostic Tests
Dr. Koop
Gray's Anatomy of the Human Body
Hardin Meta directory of Internet Health Sources
HealthCentral
Healthfinder
Healthpedia.com
HealthWeb
Human Anatomy
InteliHealth
KidsHealth
Lab Tests Online
Mayo Clinic Health
MEDEM: Healthcare Information
MedicineNet
MedTerms
Merck Manual of Diagnosis and Therapy
NOAH: New York Online Access to Health
PatientINFORM.org
QuackWatch
Talk MD
WebMD
Your Surgery.com

Diseases and Conditions
BreastCancer.org
CancerEducation
CancerNet
HIV InSite
FamilyDoctor.org
Pancreatica
Rare Disorders (NORD)
Merck Manual of Geriatrics
Sinus Care Center
World Health Organization
West Nile Virus Resource

Drug Information
MassMedline

Best Buy Drugs (consumer Reports)
Drug Facts and Comparison
Drug Shortages
Drug Topics
FDA
Generic Drugs
HerbMed
PDR Health
People's Pharmacy
Rx List -- The Internet Drug Index 

Doctors, Hospitals & Medical Schools
Massachusetts Board of Medicine: Physician Profiles

AIM DocFinder
AMA Physician Select
American Board of Medical Specialties
Directory of Hospitals
Physician Information

Mental Health
American Academy of Child & Adolescent Psychiatry
American Psychiatric Association
American Psychological Association
Internet Mental Health
National Institue of Mental Health
National Mental Health Association
Nations Voice on Mental Illness

Organizations/Agencies
American Cancer Society
American Heart.org
American Medical Association
Atlas of US Mortality
Centers for Disease Control Prevention (CDC)
Complementary & Alternative Medicine
Consumer and Patient Health
FDA
Interactive Health Tutorials
Healthy People
High Blood Pressure
Medicare
National Women's Health
National Library of Medicine
National Institutes of Health