- Acid-Base Tutorial - Physiology
- American Thoracic Society
- Clinical Practice Guidelines for Bone Metabolism and Disease in Chronic Kidney Disease
- Diabetes Trials Unit, University of Oxford
- Electrocardiogram (ECG, EKG) library
- Gastrosource
- Hooedpijn
- IDSA
- Microbiology
- National Kidney Foundation
- NIV-Net
- Public - Nederlandse Vereniging voor Anesthesiologie
- The British Thoracic Society
- The Cleveland Clinic Center for Continuing Education
- Toxicologie behandelinformatie
- Viral Hepatitis
- Welcome to the British Society for Rheumatology (BSR) — British Society for Rheumatology
- Welcome to the National Institute for Health and Clinical Excellence