Objectives: Studies have shown that most children before the age of 5 are capable to comprehend and express wh-questions in daily conversations. This study aimed at comparing the ability of wh-questions’ production in 4- to 6-year-old children in spontaneous and elicited conditions. Methods: In this descriptive-analytic study, 4- to 6-year-old Persian-speaking children (N = 72) were selected r...

Bovis Calculus Artifactus (BCA) is the main substitute for natural bovis, a traditional drug in China used to treat high fever, convulsion, and sore throat. The effect of BCA on cytochrome P450 (CYP) activities unknown. This study was investigate eight rat hepatic microsomal CYPisozymes evaluate potential interactions using cocktail approach.Metabolites isoform probe substrates CYP isozymes wer...

objective(s) cyclooxygenases  (coxs) are known to play some roles in physiological mechanisms related to learning and memory. since sodium salicylate is an inhibitor of cox, we have evaluated the effect of peripheral and intra-hippocampal administration of sodium salicylate on spatial learning and memory in male rats. materials and methods male rats were studied in two groups; the first group r...