contribution of viruses, chlamydia spp. and mycoplasma pneumoniae to acute respiratory infections in iranian children. | the study reports the frequency and clinical presentation of respiratory syncytial virus (rsv), human metapneumovirus, influenza (inf v), parainfluenza, adenovirus (adv), chlamydia spp. and mycoplasma pneumoniae in children with acute respiratory infections (ari) in rasht, iran. nasopharyngeal aspirates and swabs were collected from 261 children in 2003 and 2004. pathogens were detected using polymerase chain reaction (pcr) and reverse transcription-pcr (rt-pcr), confirmed with sequence analysis ... | 2007 | 17287243 |