- White Rose eTheses Online
- Via Medica Journals
- University of Malaya
- The University of Liverpool Repository
- The Saudi Dental Journal
- The Korean Journal of Orthodontics
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist
- The Angle Orthodontist