1. Rook's Textbook of Dermatology;Burns,2004
2. Fitzpatrick's Dermatology in General Medicine;Freedberg,2003
3. The Skin and Systemic Disease a Colour Atlas and Text;Lebwohl,2004
4. Dermatological Signs of Internal Disease;Callan,2003
5. Cholestasis and endogenous opioids: liver disease and exogenous opioid pharmacokinetics;Davis;Clin. Pharmacokinet.,2007