background: butterworth, gaussian, hamming, hanning, and parzen are commonly used spect filters during filtered back-projection (fbp) reconstruction, which greatly affect the quality and size accuracy of image. materials and methods: this study involved a cardiac phantom in which 1.10 cm thick cold defect was inserted into its myocardium wall and filled with 4.0 μci/ml (0.148 mbq/ml) 99mtc conc...

Since the dawn of time, humans have used plants as a natural source for healing and remedies. Among these, medicinal herbs gained popularity due to their widespread use lack negative side effects. The globe has seen rise in plant study recent years, tonne data been gathered demonstrate enormous potential therapeutic employed many traditional systems. In this work, flower extracts Sphaeranthus i...