Figure 3From: Induction of mycoplasmal pneumonia in experimentally infected pigs by means of different inoculation routes Levels (mean ± SD) of TNF-α ( A ), IL-8 ( B ) and IL-1β ( C ) in BALF of pigs from Control, ET, IN and AE at 28 dpi. Different superscripts indicate a significant difference among groups within each graph (p < 0.05).Back to article page