1. Extraordinary origins of everyday things;Panati,1987
2. Fluid foundations and blush make-up;Schlossman,1988
3. Cosmetics and the skin;Wells,1964
4. Management of dischromias in ethnic skin;Halder;Dermatol Ther,2004
5. Azelaic acid: a review of its pharmacological properties and therapeutic efficacy in acne and hyperpigmentary skin disorders;Fitton;Drugs,1991