x Many things went on at Unseen University and, regrettably, teaching had to be one of them. The faculty had long ago confronted this fact and had perfected various devices for avoiding it. But this was perfectly all right because, to be fair, so had the students. In this chapter, we will introduce of coreset. Intuitively, a coreset is a small subset of the data that captures the key features t...

conclusions the persian version of snot 22 questionnaire is a valid and reliable instrument for accessing sinonasal diseases in persian-speaking people. results thirty adults with nasal septal deviation need surgical correction and 30 healthy volunteers were included (mean age 30.4 ± 7.1 vs. 33 ± 6.7, p value = 0.148). the questionnaire was introduced to subjects two times with a two-week-perio...