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Table 2 Activities of six-compartment phantom

From: Simultaneous Tc-99m and I-123 dual-radionuclide imaging with a solid-state detector-based brain-SPECT system and energy-based scatter correction

Compartment

Volume (ml)

Tc-99m (kBq/ml)

I-123 (kBq/ml)

Target ratio of Tc:I

1

120

295

95

3:1

2

120

0

372

0:4

3

120

411

0

4:0

4

100

201

186

2:2

5

100

0

0

0:0

6

120

96

278

1:3