2Willems M,van Buuren HR, de Krijger R. Anthranoid self-medication causing rapid development of melanosis coli. Neth J Med,2003,61:22-24.
3Van Gorkom BA,Karrenbeld A,van der Sluis T, et al. Apoptosis induction by sennoside laxatives in nan; escape from a protective mechanism during chronic sennoside use? J Pathol ,2001,194:493-499.
4Nusko G, Schneider B, Schneider I ,et al. Anthranoid Laxative use is not a risk factor for colorectal neoplasia: results of a prospective case control study. Gut ,2000,46:651-655.
5Nascimbeni R, Donato F, Ghirardi M,et al. constipation,anthranoid laxatives, melanosis coli, and colon cancer: a risk assessment using aberrant crypt foci. Cancer Epidemiol Biomakers Prey,2002,11:753-757.