| surveillance of eight respiratory viruses in clinical samples of pediatric patients in southeast brazil. | detection of the eight most common respiratory viruses: human respiratory syncytial virus (hrsv), influenza virus a and b (ia and ib), parainfluenza viruses 1, 2 and 3 (hpiv1, 2 and 3), adenovirus (ad) and human metapneumovirus (hmpv), in order to establish the etiology of acute respiratory infections (aris) and the epidemiology of these viruses in young children seen at hospital universitário, universidade de são paulo, in são paulo, brazil, during 2003. | 2007 | 17940688 |