mediatheque is an inclusive adaptation of library in which public could exchange information in practical way by applying contemporary technology. it is exerting a new method of bilateral exchange information between clients and sources through various media, which not only serve a faster data transmission than books and libraries but also are more efficient than the other services. this compre...

background: exposure to loud music from sources such as portable music players (pmp), especially among adolescents, can lead to noise-induced hearing loss. the aims of this study are as follows: 1) investigate the prevalence of headphone use in iranian university students by assessing their behavior, 2) determine the type of headphones used, and 3) ascertain the type of music player used. metho...

background: there is no information about the pattern of use of earphones and music players in iranian adolescents. the aim of this study was to assess the prevalence and pattern of the use of earphone and music player devices as a main risk factor for hearing loss in adolescents of tabriz city, northwest of iran. methods: in this cross‑sectional study in november 2011, 2,359 high school studen...