Abstract Using a quantitative model that features technical progress in automation and endogenous skill choice, we show that, given the current U.S. tax system, sustained fall costs can lead to massive rise income inequality. We characterize optimal system this model. find it is robots while generations of routine workers, who no longer move non-routine occupations, are active labour force. Onc...

background : to date, 36 years has passed since the beginning of measles vaccination; the disease is still circulating around the world, threatening lives of human beings especially in developing countries.  in recent years, we have confronted measles in previously vaccinated adults from all over the country.   objective: to find out if there is a need for changing our routine measles vaccinati...

inflammatory bowel diseases are a general term for a group of chronic inflammatory diseases with unknown etiology that involve gastrointestinal system. the diagnosis of these diseases is possible with rule out of other diseases because there are not special diagnostic tests for them. nevertheless, clinical feature of these diseases are very specific and in most cases definite diagnosis are poss...

conclusions although almost all of the < 1 year-old children could be sedated with midazolam alone, most of the > 1 year-old children required ketamine or general anesthesia. performing circumcision when children are less than 1 year old decreases the risk of complications due to anesthesia and lowers the costs compared with performing the procedure on older children. results a total of 603 chi...

trauma is one of the major non-obstetric causes of pregnancy-associated maternal deaths. most cases of maternal trauma include: motor vehicle crashes, domestic violence, falls, burns, suicide, and toxic exposure. pregnancy-related anatomic and physiologic changes like increased joint laxity, weight gain, and changes in the center of gravity during pregnancy increase the risk of falling. one of ...