MKI67 and neoplasm: The number of Ki-67-positive tumor cells following IF7C(10BPA)RR-mediated- or IF7K(10BSH)RR-mediated BNCT (Fig. 5e and f) significantly decreased relative to numbers seen in untreated control mice, IF7C(10BPA)RR-treated mice, IF7K(10BSH)RR-treated mice (Fig. 5a–c), or irradiated controls (Fig. 5d).