Figure 5: Release profile of (A) atorvastatin, atorvastatin-PVP physical mixture and different atorvastatin-PVP solid dispersions; (B) atorvastatin, atorvastatin-PEG physical mixture and different atorvastatin-PEG solid dispersions; (C) atorvastatin, atorvastatin-Soluplus® physical mixture and different atorvastatin-Soluplus® solid dispersions; and (D) atorvastatin, atorvastatin-chitosan physical mixture and different ator