- D-Scholarship@Pitt
- Cystic Fibrosis Canada
- CUNY Academic Works
- CRISP Repository
- Complementary and Alternative Medicine Law Blog
- Community Eye Health Journal
- Coffs Coast Dental
- Clinics in Dermatology
- Clinical Gastroenterology and Hepatology
- Clinical Gastroenterology and Hepatology
- City Research Online
- City Research Online
- City Research Online
- City Research Online
- City Research Online
- Circle of Docs
- Circle of Docs
- Circle of Docs
- Chapman University Digital Commons
- Centre for Orthopaedics
