Figure 1From: One third of middle ear effusions from children undergoing tympanostomy tube placement had multiple bacterial pathogens Multiplex PCR Results. Multiplex PCR products were electrophoresed on 2.5% agarose. Hi, Haemophilus influenzae control band, expected size 525 bp; Sp, Streptococcus pneumoniae control band, expected size 484 bp; Ao, Alloiococcus otitidis control band, expected size 264 bp; Mc, Moraxella catarrhalis control band, expected size 237 bp; 265L, 269R, 246R, and 248L, experimental samples; bp, base pair.Back to article page