DESCRIPTION:
One compartment model with linear elimination. First-order linear absorption.

[LONGITUDINAL]
input = {V, k, ka}
PK:
depot(target=A)
EQUATION:
t_0    = 0
A_0    = 0
Ac_0   = 0
ddt_A  = -ka*A
ddt_Ac = ka*A - k*Ac
C = Ac/V

OUTPUT:
output={C}