Bronnen:.
1. "warfarine", op MedicineNet .nl - https://www.medicinenet.com/warfarin/article.htm
2. "longembolie", op eMedicine door Craig F.
Feied, MD, FACEP, FAAEM, FACPh, hoogleraar Emergency Medicine, Georgetown University School of Medicine, General Manager, Microsoft Enterprise Health Solutions Group; en Jonathan A. Handler, MD, directeur van Informatica, assistent-professor aan de afdeling Emergency Medicine, Northwestern Memorial Hospital - https://emedicine.medscape.com/article/759765-overview
3. "Longembolie ", op MayoClinic.com - https://www.mayoclinic.com/health/pulmonary-embolism/DS00429