| ten-year review of otitis media pathogens. | data collected from 1980 to 1989 by investigators at the pittsburgh otitis media research center were examined to detect changes over time in the prevalence of bacteria isolated from middle ear effusions in patients with otitis media. the organisms isolated most commonly from the 7396 effusions cultured at the center were streptococcus pneumoniae and haemophilus influenzae. s. pneumoniae predominated in the subgroup of patients with acute otitis media, whereas h. influenzae was isolated most fre ... | 1992 | 1513611 |