The study examines the structure of ownership and management family businesses investigates whether it influences performance or not. interplay between family, ownership, business creates a setting for that promotes businesses. Statistical population is food industry in Tehran Province Iran. One hundred sixty-three CEOs were analyzed. Data collected using questionnaire survey from their CEOs. W...

BACKGROUND Ticks are the main vectors for transmission of different pathogens to human and animals. This survey was performed to find out distribution of ticks, which infested the domestic ruminants in Yazd Province, central Iran during year 2008-2009. METHODS A total number of 30 villages from both mountainous (20%) and plateau (80%) regions of the province were selected randomly. Ticks were...

BACKGROUND To determine the prevalence and characteristics of diabetic retinopathy (DR) among Iranian patients with diabetes. METHODS DESIGN population-based cross-sectional study. PARTICIPANTS patients with diabetes aged 25 to 64 years in Tehran province, Iran. This survey was conducted from April to October 2007. The study sample was derived from the first national survey of risk facto...

BACKGROUND Breast cancer is the most prevalent kind of cancer among women in Iran. Regarding the importance of cancer prevention and considerable variation of breast cancer incidence in different parts of the country, it is necessary to recognize regions with high incidence of breast cancer and evaluate the role of potential risk factors by use of advanced statistical models. The present study ...

INTRODUCTION Considering the scarcity of skilled workers in the health sector, the appropriate distribution of human resources in this sector is very important for improving people's health. Having information about the degree of equality in the distribution of health human resources and their time trends is necessary for better planning and efficient use of these resources. The aim of this stu...

this research explains the morphometric characteristics of varroa destructor anderson and trueman in tehran province. 180 adult female mites were collected from three different colonies of apis mellifera l. in three apiaries during september 2003 to may 2004. these colonies were divided according to three altitudes-less than 1000m, 1000-1500m and more than 1500m above the sea level. the morphol...

organizational citizenship behavior is defined as completely voluntary behaviors which staffs conducted them beyond their vocation and task expectations and organizational justice is served as how to deal with staff so that they can feel fair action including understanding of justice in payments and equality in organizational procedures and intra-personal behaviors in organization. the principl...