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Quantitative PCR analysis of cytokine/chemokine expression in fetal ovine skin exposed UP in utero for either 7 days or 69 days. Bars represent mean fold change (relative to control) ± SEM. *, statistically significant increase in transcript expression relative to control; ⁁, statistically significant difference between 7-day and 69-day UP-exposed tissues. PCR indicates polymerase chain reaction; SEM, standard error of the mean; UP, Ureaplasma parvum.
