“…BP-containing tablets were prepared in the following manner. The solid ingredients that were used for tablet fabrication were the BP drug (as the active agent, 850.5 μmol) and three common excipients, cellulose (0.270 g), 61 lactose (0.270 g), 62 and silica (0.270 g). 63 The solids were thoroughly mixed and mechanically ground in a mortarand-pestle, until a free-flowing powdery homogeneous solid mixture was obtained.…”