11-105.2 -- Phenobarbital/5,6-Benzoflavone induced male Sprague Dawley rat liver S9, in 0.15m KCl. Prepared using the treatment schedule of Matsushima, et. al., In: In vitro metabolic activation in mutagenesis testing (F.J. de Serres, et al., eds.) Elsevier/North Holland, 1976, p. 58. 2ml.