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Respiratory system resistance (Rrs) (A) and compliance (Crs) (B) in 8 day old rat pups with or without caffeine treatment following intra-amniotic LPS or normal saline. There was a significant (*p<.05) increase in Rrs after LPS exposure which was eliminated by caffeine treatment. In saline-exposed controls there was no effect of caffeine on Rrs. There was no difference in Crs (B) between treatment groups. Mean±SEM (*p<.05)
