1. https://www.fda.gov/drugs/drug-interactions-labeling/drug-development-and-drug-interactions-table-substrates-inhibitors-and-inducers
2. https://www.fda.gov/regulatory-information/search-fda-guidance-documents/clinical-drug-interaction-studies-cytochrome-p450-enzyme-and-transporter-mediated-drug-interactions
3. https://www.fda.gov/regulatory-information/search-fda-guidance-documents/vitro-drug-interaction-studies-cytochrome-p450-enzyme-and-transporter-mediated-drug-interactions
4. https://www.ema.europa.eu/en/investigation-drug-interactions#current-effective-version---under-revision-section
5. Guideline on drug interaction for drug development and appropriate provision of information. https://www.pmda.go.jp/files/000228122.pdf