Research Article

Development and Characterization of Soy Lecithin Liposome as Potential Drug Carrier Systems for Codelivery of Letrozole and Paclitaxel

Figure 4

In vitro release profiles of free LET (black circle), free PTX (black square), and LET (grey circle) and PTX (grey square) from LET-PTX-Lips at 37°C in PBS (; , ).