english for academic purposes (eap) is a significant part of the curriculum in iranian universities. however, it seems that eap programs have been developed without a systematic needs analysis. the purpose of this study was assessing the present and target situation needs of two groups of undergraduates of computer science. a total of 320 students and 44 instructors participated in this triangu...

congenital esophageal atresia needs to be surgically corrected as soon as possible. some will present with post surgical stricture that needs to be dilated by a balloon dilator. this procedure is difficult in premature born due to infant esophageal size and availability of equipments. we herby report the first case in a premature infant with post surgical esophageal stricture of esophageal atre...

  Background Tuberculosis (TB) is the second-most common cause of death from infectious disease (after those due to HIV/AIDS). Roughly one-third of the world's population has been infected with M. tuberculosis, with new infections occurring in about 1% of the population each year. People with active TB can infect 10-15 other people through close contact over the course of a year. Materials and ...