- Philips
- Pediatric Care Online
- Organ Donation Alliance
- Opus
- OPENPediatrics
- NutriPATH
- Mr Horrocks` Biology
- Mitra.ac.in
- Mindray North America
- Medicexchange
- Medical Robotics Lab
- Med4just
- Lee Virtual School
- Korean Circulation Journal
- Korean Circulation Journal
- KoreaMed Synapse
- KnowMoreMR.com
- Keele Research Repository
- Keele Research Repository
- Journal of the Saudi Heart Association
