| Local |
| MA State managed care information for patients |
| Tuft's Health Plan |
| Blue Cross Blue Shield of Massachusetts |
| Harvard Pilgrim Health Care |
| AIDS Bureau of MA |
| American Brain Tumor Assn. |
| American Diabetes Assn. of MA |
| The Boston Heart Party |
| Harvard Medical School |
| Home & Health Care Assn. of MA |
| MA Association for the Blind |
| MA Commonwealth |
| MA Department of Public Health |
| MA Division of Health Care Finance and Policy |
| New England Journal of Medicine |
| |
| National |
| National Library of Medicine (Medline/PUBMED) |
| Medicare |
| American Academy of Pediatrics |
| American Board of Internal Medicine |
| American Board of Psychiatry and Neurology |
| American Board of Surgery |
| American Cancer Society |
| American Heart Association |
| American Lung Association |
| American Psychiatric Association |
| American Public Health Association |
| Food and Drug Administration |
| National Association for Home Care |
| National Institutes of Health |
| National Cancer Institute |