Cover Caption
Light microscopy autoradiograms showing the localizatin of [3H]DMBA adducts in [3H]DMBA-incubated (0.5 µM; 90 min) explants of dura mater (A, B, C) from a PCB 126-treated mouse and leptomeninges (D, E) and choroid plexus (F, G, H) from a PCB 126-treated rat. See the article by Granberg et al. on page 259 of this issue.