1. Ministry of Health Labor and Welfare Investigative Commission for Promotion of the Elimination of the Level of Cancer Treatment Disparities. [Cited 30 Aug 2018]. Available from URL:https://www.mhlw.go.jp/shingi/2005/04/s0419-6a.html.
2. The Annual Treatment Reports of the Gynecology and Oncology Committee of JSOG. [Cited 30 Aug 2018]. Available from URL:http://plaza.umin.ac.jp/~jsog-go/
3. The JSGO website regarding the enrollment of GO Specialists (in Japanese). [Cited 30 Aug 2018]. Available from URL:https://jsgo.or.jp/specialist/index.html.
4. Effect of Surgeon Training, Specialization, and Experience on Outcomes for Cancer Surgery: A Systematic Review of the Literature
5. Influence of the Gynecologic Oncologist on the Survival of Ovarian Cancer Patients