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. 2008 Dec 31;9(4):1253. doi: 10.1208/s12249-008-9173-2

Table I.

The Correlation Coefficient (r 2) Values for Different Formulations

Release models r 2
RL 5% RS:RL (1:3) 5% RS:RL (1:3) 7.5% RS:RL (1:3) 10%
First order 0.9425 0.9383 0.9618 0.9456
Zero order 0.9861 0.9867 0.994 0.9803
Higuchi 0.9914 0.9883 0.9893 0.9717