introduction: lead (pb) is a neurotoxin that its different effects on the central nervous system are well-known. previous studies have reported the potent effects of vitamin c on memory.the present study was undertaken to evaluate the protective effects of vitamin c against leadinduced amnesia. methods: male wistar rats were divided into 4 groups: the control (saline), negative control (lead), ...

the present research was done to examine the efficacy of psychosocial skills training on psychological and job stress management of bus drivers. accessible sampling method was utilized and the sample consisted of 157 bus drivers in the city of tehran. the research method is quasi- experimental with pretest-posttest. job stress inventory and stress response inventory were administered before and...

the aim of this study was assessing the adjuvant therapy of exercise on cytokines balance in mice with breast cancer tumor. twenty female balb/c mice were randomly assigned to experimental and control groups. after orientation in the environment, estrogen-receptor dependent breast cancer cells (mc4-l2) were injected to them and experimental group performed endurance training 5 day in week for 6...

This paper presents a new Interpretation of leadership experience and leadership training In an effort to explain why the literature reports no consistent relations between these methods of leadership development and organizational performance. The basis for the reconceptualization is derived from the Contingency Model which postulates a contingent relationship between leadership motivation as ...