various scoring systems have been devised to aid diagnosis of acute appendicitis. the main objective of this study was finding the accuracy of modified alvarado score in prediction of acute appendicitis. the registries of cases with appendectomy, who had been admitted to a referral medical center in the capital of iran from february 2000 to march 2004, were studied. sensitivity and specificity ...

With the development of network, online education has entered thousands households, and access to is also very simple. Due continuous education, a variety examination systems with various characteristics have been derived. Considering simplicity convenience system stability performance, we developed an using SSM framework under B/S architecture, which can detect students 'learning status throug...