GxP
Good x Practice
Best practice
European Medicines Agency (EMA)
Food and Drug Administration (FDA)
International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH)
Organisation for Economic Co-operation and Development (OECD)
Validation (drug manufacture)
https://ja.wikipedia.org/wiki/GxP
https://en.wikipedia.org/wiki/GxP