da Silva, V. B.; Kawano, D. F.; Carvalho, I.; Conceição, E. C.; Freitas, O.; Silva, C. H. T. de P. Psoralen and Bergapten: In Silico Metabolism and Toxicophoric Analysis of Drugs Used to Treat Vitiligo. J Pharm Pharm Sci 2009, 12, 378-387.