- The American Heart Association
- NHS website
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE
- Centers for Disease Control and Prevention
- Wikipedia
- British Heart Foundation
- World Health Organisation
- Mayo Clinic
- MedlinePlus
- Niruja HealthTech
- Medicines details
- PharmaEasy
- 1 mg
- Drugs.com
- Lippincott’s Illustrated Reviews: Pharmacology
- Essentials Of Medical Pharmacology- By KD Tripathi
- National Formulary