background: despite wide application of chromium in electroplating industry, the pulmonary effects of chronic exposure to this chemical have not been extensively studied and are subject of debate and controversy. this study was, therefore, undertaken to further address this issue.   methods: the study population consisted of a group of 15 workers with a history of past and present occupational ...

background respiratory syncytial virus (rsv) can cause acute respiratory infection (ari) in infants and young children. objectives this study was conducted to determine the incidence of rsv infection and its subgroups among children with ari. materials and methods a total of 100 throat samples were collected from hospitalized children with ari in different hospitals across the khuzestan provinc...