| Website | Source | 
|---|---|
| Internet Health Forum | CoMed Communications Inc. | 
| Comprehensive Lung Center | University of Pittsburgh Medical Center | 
| Health One | National University of Singapore | 
| HealthWorld | Healthworld Online | 
| Internet Health Resources | Internet Health Resources | 
| Med Help International | Med Help International Inc. | 
| The Medical Matrix | HealthTel Inc. | 
| Medicine On Line(tm) | UltiTech Inc. | 
| MedWeb | Emory University | 
| Primary Care Teaching Modules | Stanford and UCSF | 
| Public Health & Primary Health Care | University of Bergen, Norway | 
| The Virtual Hospital | Iowa University Medical Center | 
| The Virtual Medical Center | Jim Martindale | 
| The Lancet Online | Elsevier | 
| Iomedex | Iomedex Corporation | 
| MD Computing | McGraw-Hill | 
| Primary Care Resources | KUMC | 
| HealthWorks Online | Healthworks Ltd. | 
| MedConnect | Medical Network Inc. | 
| CliniWeb | Oregon Health Sciences University | 
| Medicine on the Internet | Oxford University Press | 
| Clinical Practice Guideline Catalog | Alberta Medical Association | 
| SatelLife | SatelLife Inc. | 
| HealthSeek | HealthSeek | 
| AHNs Health Answers | Orbis Broadcasting Inc. | 
| Healthy Living Channel | Time Inc. and AOL | 
| Avicenna Healthcare Supersite | Synetic Corp. | 
| Physician's Home Page | Silverplatter | 
| MD Gateway | Medical Education Collaborative | 
| MDConsult | (Mosby, W.B. Saunders, Lippincott-Raven) | 
| Medec Interactive | Medical Economics Inc. | 
| Physicians Online | Physicians Online Inc. | 
| Health Professionals Online | Physicians Online Inc. | 
| Medscape | SCP Communications | 
| Microsoft Network | Microsoft Inc. | 
| Prodigy | Prodigy Inc. | 
| America Online | AOL Inc. |