Fig. 6 Three-dimensional representation of ^99mTc distribution at different times after injection: (a) 25 s, (b) 50 s, (c) 75 s, (d) 100 s, (e) 125 s, (f) 150 s, (g) 200 s, (h) 300 s, (i) 400 s, (j) 500 s, (k) 750 s, and (l) 1000 s in Column 1