1. Sixta, H., Handbook of Pulp, Weinheim: Wiley, 2006.
2. Abildgaard, A., Mikkelsen, S.H., and Stuer-Lauridsen, F., Survey of chemical substances in paper handkerchiefs and toilet paper, in Survey of Chemical Substances in Consumer Products, 2003, no. 34, p. 65.
3. Hart, P.W. and Rudie, A.W., Tappi J., 2014, vol. 13, no. 10, p. 23.
4. Some chemicals present in industrial and consumer products, food and drinking-water: Anthraquinone, IARC Monogr. Eval. Carcinog. Risks Hum., vol. 101, Lyon, France: World Health Organization, International Agency for Research on Cancer, 2012, p. 41.
5. BfR removes anthraquinone from its list of recommendations for food packaging, BfR opinion no. 005/2013, February 12, 2013.