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Cytokine levels of drain fluids (DFs) from head and neck and flap donor site wounds, serum, and saliva. DFs were collected on postsurgical day 1or 3 from patients with SCC of the oral tongue and/or the floor of mouth who underwent surgery. EGF and TGF-α concentrations were examined by a high throughput antibody bead cytokine assay. Points represent the means of triplicate experiments; bars, standard errors. *, P < 0.05.
