1. Rafael A, Cox Mario R, Garcia- Palmieri , .Cholesterol, Triglycerides, and Associated Lipoproteins.
2. What is cholesterol? National Heart, Lung and Blood Institute..
3. Good vs Bad Cholesterol. American Heart Association..
4. Rosenson RS, Durrington P, HDL cholesterol: Clinical aspects of abnormal values..
5. HDL cholesterol. Lab Tests Online..