1. 1. Pasricha JS. Contact dermatitis in India. 2nd edn. New Delhi: The Off Setters 1988:67-85.
2. 2. Kumkum. Wikipedia, the free encyclopedia. 2008. URL: http://en.wikipedia.org/wiki/kumkum.
3. 3. Ravindran PN. Turmeric. The golden spice of life. In: Ravindran PN, Babu KN, Sivaram K. eds. Turmeric. The Genus Curcuma. Boca Raton, Fl, USA: CRC Press 2007:1- 15.
4. 4. Anticancer potential of Turmeric. Alternative medicine Alert 2003.
5. 5. Marmion DN. Hand book of US colorants. Foods, drugs, cosmetics and medical devices. 3rd edn. New York: John Wiley and Sons 1991.