- OC. 28 - Websurg
- OC. 28 - Thetrocar
- OC. 28 - SLS
- OC. 26 - Pubmed
- OC. 26 - Medscape General Surgery
- OC. 26 - The New England Journal of Medicine (NEJM)
- OC. 26 - JAMA Surgery
- OC. 26,28 - American College of Surgeons (ACS)
- EC. 43 - Clevelandclinic
- EC. 43 - WebMD
- EC. 43 - HealthDirect
- EC. 43 - Mayoclinic
- EC. 43 - World Journal of Laparoscopic Surgery