Research Article

Use of Response Surface Methodology in the Formulation and Optimization of Bisoprolol Fumarate Matrix Tablets for Sustained Drug Release

Figure 7

Effect of amounts of calcium alginate and Carbopol 943 on hardness (kg/cm2) presented by response surface plot (a), and contour plot (b).
730624.fig.007a
(a)
730624.fig.007b
(b)