| Medicine Online | | Extensive medical reference for doctors and patients. Searchable database with information on diseases, products and physicians. |
| MedicusWeb | | A searchable index of physician websites and a directory of physician related sites. |
| MedIndia | | Searchable database from India. Includes doctors, hospitals, chemists, pharmaceuticals, medical institutions. News, breakthroughs, and patient information. |
| MEDLINEplus | | A service of the National Library of Medicine, which includes health topics, drug information, dictionaries, directories, and libraries. |
| MedNets | | An international medical resource featuring specialty search engines free and online. |
| MedWindow.com | | HONcode certified medical website with its content provided by biomedical professionals. |
| Neurotrauma Registry | | Online directory listing programs and professionals specific to brain and spinal cord injury, or other neurotrauma. Search by state, by specialty area, or both. Includes a brain map, spinal cord map, glossary,and links to other resources. |
| Nurses Directory | | Find a nurse anywhere by their resume/bio-data contact information and qualifications. |
| PubMed.nl | | Links to medical journals, articles, medical libraries, and medical databases, in English and Dutch. |
| US Health Services | | A comprehensive internet yellow pages directory that helps people find doctors, hospitals, nursing homes, and specialists all over the US. |
| VirtualMed | | Medical portal to find books, journals, clinics, media, and medical students. |
| World Medical Center | | Medical information and links to hospitals, education, humanitarian aid and philanthropy. |
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