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Dissolution tests of amlodipine and perindopril from their fixed dose formulations were performed in 900 mL of phosphate buffer of pH 5.5 at 37°C using the paddle apparatus. Then, two simple and rapid derivative spectrophotometric methods were used for the quantitative measurements of amlodipine and perindopril. The first method was zero crossing first derivative spectrophotometry in which measuring...
Unpredictable chronic mild stress model was developed as an animal model of depression more than 20 years ago. Essential for this model is that after prolonged exposure of tested animals to a series of unpredictable mild stressors, a condition similar to anhedonia develops, which is observed in the majority of depressive disorders. Unpredictable chronic mild stress model is used nowadays in numerous...
The study presents a case of the rarely occurring totally retained fourth molar teeth simultaneously in maxilla and mandible. The appearance of supernumerary teeth is a relatively uncommon dental anomaly and it is rare for patients to have impacted fourth molars in two quadrant. The aim of this work is to describe the presence of unilateral (right) fourth molars in the maxilla and the mandible in...