Background: Salivary glands (SGs) are usually irradiated during radiotherapy for head and neck cancers, which may lead to radiation-induced changes. These changes could be evaluated safely by ultrasonography; however, there have been few studies in this regard. Thus, we aimed to investigate the changes in post-radiotherapy submandibular glands using ultrasonography in patients undergoing head-n...

avian influenza virus (aiv) infection is a major cause of bird or human mortality and morbidity, therefore the rapid identification of the virus is of important clinical and epidemiological implication. methods: a multiplex reverse transcriptase pcr (rt-pcr) was optimized for the detection of influenza a virus and the h5 and h9 subtypes. the influenza type a specific primers were directed to th...