Donovan, P. J., Smith, G. T., Lawlor, T. E., Cifone, M. A., Murli, H., & Keefer, L. K. (1997). Quantification of diazeniumdiolate mutagenicity in four different in vitro assays. Nitric Oxide : Biology And Chemistry, 1(2), 158-66. https://doi.org/10.1006/niox.1996.0109