Background and purpose : Dextromethorphan is a non-competitive NMDÂ receptor antagonist in the glutamatergic system with over 47 years of clinical usage experience as an over-the counter antitussive drug. We previously demonstrated that dextromethorphan modulates the pain threshold in the mouse acetic acid (0.6%,intraperitonealy)-induced writhing test (a tonic and chemical model for chronic p...

Background and Objective: Toxoplasma gondii is one of the most prevalent human parasites globally distributed with a wide range of hosts including humans and animal species. The available anti-toxoplasma treatments have faced several problems. To deal with these issues new drugs and compounds are required to be evaluated. This study was aimed to evaluate the inhibitory effect of ethanol extract...

abstract this paper discusses several commonly used models for strategic marketing¹ including market environmental analysis methods (i.e. swot and pest analysis) and strategic marketing tools and techniques (i.e. boston matrix and shell directional policy matrix)and shows how these models may help a firm to achieve its strategic goals. at first, the main reason for doing this research is de...