- Health Canada’s Drug Product Databasehttps://health-products.canada.ca/dpd-bdpp/index-eng.jsp
- UK emc websitehttp://www.medicines.org.uk/EMC/medicine/21841/XPIL/Valdoxan/
- US NIH National Library of Medicine
https://dailymed.nlm.nih.gov/dailymed/index.cfm - Canada’s Food and Drugs Act and Regulations – Health Canadawww.hc-sc.gc.ca
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- RxList – The Internet Drug Index for prescription drugs, medications and pill identifier www.rxlist.com
- Drugs.com – Prescription Drug Information, Interactions & Side Effectswww.drugs.com