- Thoracoscopy information
- Thomson One
- The University of North Carolina at Chapel Hill
- The University of North Carolina at Chapel Hill
- The University of Liverpool Repository
- The University of Liverpool Repository
- The University of Liverpool Repository
- the University of Huddersfield Repository
- The Oregon Hospice Association
- The Marfan Foundation
- The Journal of Thoracic and Cardiovascular Surgery
- The Journal of Arthroplasty
- The Hospital of Central Connecticut
- The hae day
- The department of cardiology, Calicut medical college
- The CARES Group, Inc
- The CARES Group, Inc
- The Aquila Digital Community
- The Annals of Thoracic Surgery
- The Angle Orthodontist
