TABLE 2.

Expressions for $\mathit{A}$ depending on route of drug administration.

Route of administration	Expression for $\mathit{A}$	Drug-related initial conditions
Intravenous bolus	$A=0$	$D_{P0}=D_0, D_{T0}= D_{S0}=0$
Subcutaneous	$A= D_0\ast F\ast k_a$	$D_{P0}= D_{T0}= D_{S0}=0$