> Saws PO Sa Ly
Be Exvecinentally
R w £57 079-5) (0.007)
= 427 reps/nr at 7 mg/ex* (P*)
The two above approaches are within 26% of each other.
If one extrapo-
lates the experimental data fron a source of 9.6 mg/ox® to a thin source
(for eoxparative purposes) the tvo zethods are within 20%,