Table 1. Grouping, average weight and dosage for in vivo tissue distribution and excretion testing

Group	Test substance	Administration method	Harvest time (hr)	The number of animal	Planned dosage (mCi/kg)	Average weight (g)	Actual dosage (µCi)	Actual dosage (MBq)
G1	Thyrokitty injection (I-131)	S.C.	0.083 (5 min)	4	2	32.91 ± 1.59	73.63 ± 7.93	2.72 ± 0.29
G2	Thyrokitty injection (I-131)	S.C.	1	4	2	33.94 ± 0.55	78.66 ± 2.41	2.91 ± 0.09
G3	Thyrokitty injection (I-131)	S.C.	6	4	2	33.55 ± 0.99	72.34 ± 11.11	2.68 ± 0.41
G4	Thyrokitty injection (I-131)	S.C.	24	4	2	33.36 ± 0.97	71.00 ± 8.82	2.63 ± 0.33
G5	Thyrokitty injection (I-131)	S.C.	48	4	2	33.44 ± 0.95	74.00 ± 10.76	2.74 ± 0.40
G6	Thyrokitty injection (I-131)	S.C.	72	4	2	33.06 ± 1.14	71.04 ± 9.24	2.63 ± 0.34
G7	Thyrokitty injection (I-131)	S.C.	168	4	2	33.32 ± 1.60	72.17 ± 9.85	2.67 ± 0.36
Excretion	Thyrokitty injection (I-131)	S.C.	6, 24, 48, 72, 120, 168	4	2	33.50 ± 1.16	71.87 ± 9.43	2.66 ± 0.35