To identify anatomic and physiologic characteristics of children which are different from adults and to explain major patterns and responses of different types of injuries and to apply ATLS principles in management of injured kids and to emphasize on injury prevention to reduce the impact of injury in children. Children have larger head, smaller jaw, shorter, narrower, funnel shaped airway, sof...

SUMMARY Determination of gestational age have several usages in obstetrics and gynecology. The relation between fetal femur length and gestational age has determined in this research using real time sonography. 1000 iranian pregnant women between 12-40 weeks of gestation with accuratic last menstrual period and with out the history of diabetes lllellitus, hypertension, renal disease and fetal ...

iran, between third to fifth centuries ad, witnessed one of the urbanization boom periods in his history. in this period, iranian towns were capable of commodity exchange and  manufacturing  products. in this context, growth of knowledge and rationalism , moderation in politics, community participation, growth and development of the intellectual trends and movements caused rationality and reaso...