DESCRIPTION:
A NODE for po drug administration with concentration and time-dependent NNs for absorption and for elimination.
No volume of distribution is estimated since scaling takes place in the absorption NNs.

[LONGITUDINAL]
input = {}

PK:
; PK model definition
depot(target=A)

EQUATION:
ddt_A = NNa(state=A,min_init=0.5,max_init=10) + amtDose * NNat(state=t,min_init=0.5,max_init=10,time_nn=TRUE)
ddt_C = -NNa(state=A,min_init=0.5,max_init=10) - amtDose * NNat(state=t,min_init=0.5,max_init=10,time_nn=TRUE) + NNc(state=C,min_init=0.5,max_init=3) + amtDose * NNct(state=t,min_init=0.5,max_init=10,time_nn=TRUE)
Cc = C

OUTPUT:
output = Cc
