1. Food and Drug Administration. FDA requests removal of all ranitidine products (Zantac) from the market. Apr 2020. https://www.fda.gov/news-events/press-announcements/fda-requests-removal-all-ranitidine-products-zantac-market.
2. Ranitidine: all products are out of stock as investigations continue
3. Ranitidine: Injection back in stock but all oral supplies in Europe still suspended
4. European Medicines Agency. Update on nitrosamines in EU medicines. 3 Mar 2020. https://www.ema.europa.eu/en/documents/press-release/update-nitrosamines-eu-medicines_en.pdf.