according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...

Introduction: Heat-related diseases are common disorders in many industries. Heat stress can cause changes in the secretion of some plasma hormones. The aim of this study was to determine the effects of heat stress on concentrations of serum triiodothyronine (T3) and thyroxine (T4) hormones among foundry workers. Methods: This cross sectional study was carried out with 35 workers of a foundr...

Background and Aim: Hirsutism is defined as male pattern hair growth in females which affects 10% of women. Our aim was to compare free salivary and free serum testosterone levels in women with hirsutism and healthy controls.Methods: This study was a case-control study in which 30 hirsute women in child bearing age were recruited and compared with 10 healthy controls. For each patient, a questi...

Introduction: Studies reveal that there is an association between smoking and serum levels of sexal steroid hormones. The main aim of this study was to determine the effects of cigarette or waterpipe smoking on serum level of LH, FSH, and testosterone in male rats. Methods: Male Wistar rats were randomly divided into control, cigarette, and waterpipe smoking groups, each consisting of 10 part...

Introduction: There is a close relationship between the incidence of breast cancer and fat intake in different populations. Overweight and obesity during menopause can increase the risk of breast cancer in women. Hormones like estrogen and leptin are factors that affect the growth and proliferation of breast cells. The main purpose of this study was to evaluate the relationships between body ma...