Table 1. Co-treatment designs for PTU, PCBs, and AP.

	Group	n	Mixture doses (mg per kg bw)
	OVX control	10	Corn oil + water
	PTU + PCBs	10	0.1 + 0.1
	PTU + AP	10	0.1 + 50.0
LOAEL	PCBs + AP	10	0.1 + 50.0
	PTU + PCBs + AP	10	0.1 + 0.1 + 50.0
BMDL	PTU + PCBs + AP	10	0.02 + 0.02 + 28.0