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	Technekitty injection (Tc-99m)	I.V.	0.083 (5 min)	4	0.67	33.27 ± 2.61	23.07 ± 1.06	0.85 ± 0.03
G2	Technekitty injection (Tc-99m)	I.V.	1	4	0.67	34.46 ± 2.14	23.29 ± 1.24	0.86 ± 0.05
G3	Technekitty injection (Tc-99m)	I.V.	2	4	0.67	33.89 ± 1.29	22.88 ± 0.72	0.85 ± 0.03
G4	Technekitty injection (Tc-99m)	I.V.	6	4	0.67	35.43 ± 1.72	23.38 ± 1.61	0.87 ± 0.06
G5	Technekitty injection (Tc-99m)	I.V.	24	4	0.67	33.77 ± 0.79	23.33 ± 0.62	0.86 ± 0.02
Excretion	Technekitty injection (Tc-99m)	I.V.	6, 24, 48	4	0.67	34.77 ± 0.96	23.34 ± 0.57	0.86 ± 0.02