Lear, J. T., Smith, A. G., Bowers, B., Heagearty, A. H., Jones, P. W., Gilford, J., …Fryer, A. A. (1997). Truncal tumor site is associated with high risk of multiple basal cell carcinoma and is influenced by glutathione S-transferase, GSTT1, and cytochrome P450, CYP1A1 genotypes, and their interaction. Journal of Investigative Dermatology, 108(4), 519-522. https://doi.org/10.1111/1523-1747.ep12289738