Fig 4. Schematic depiction of the plasma and breast milk changes in drug concentrations across time comparing non-compartmental and compartmental analysis.

Left panel: Non-compartmental analysis; right panel: Compartmental analysis; open circles: Individual drug concentration data, plasma (black) and breast milk (blue); Lines: Individual drug concentration-time profiles in plasma (black) and breast milk (blue); solid lines: Population drug concentration-time profile in plasma (black) and breast milk (blue).